Evaluation of Response to the Neoadjuvant Chemotherapy for Advanced Ovarian Cancer by Multimodal Functional Imaging

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameter SUVmax of functional imaging positron emission tomography (PET). The functional imaging positron emission tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After four cycles of chemoterapy, 12 weeks

Population: For patients with lesions by location after one cycle of chemotherapy: only one patients had sus-mesocolic lesions, nine sub-mesocolic lesion, one ADP lesions and no patient had visceral lesion.

Average intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter ADC of Magnetic Resonance Imaging (MRI). The Magnetic Resonance Imaging will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: After one cycle of chemotherapy, 3 weeks

Population: For patients with lesions by location after once cycle of chemotherapy: only eight patients had supra-diaphragmatic lesions and nine had ADP lesions.

Average intra-class correlation coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter ADC of functional imaging Magnetic Resonance Imaging. The Magnetic Resonance Imaging will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: Pretherapeutic

Population: For patients with lesions by location at baseline: only eight patients had supra-diaphragmatic lesions and nine had ADP lesions.

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter of ADC functional imaging Magnetic Resonance Imaging (MRI). The Magnetic Resonance Imaging will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: After four cycles of chemotherapy, 12 weeks

Population: For patients with lesions by location after four cycles of chemotherapy: only eight patients had supra-diaphragmatic lesions (or ADP lesions).

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter ADC of Magnetic Resonance Imaging (MRI). The Magnetic Resonance Imaging will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: After one cycle of chemotherapy, 3 weeks

Population: For patients with lesions by location after one cycle of chemotherapy : only eight patients had supra-diaphragmatic lesions and nine had ADP lesions.

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter ADC of functional imaging Magnetic Resonance Imaging. The Magnetic Resonance Imaging will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: Pretherapeutic

Population: For patients with lesions by location at baseline : only eight patients had supra-diaphragmatic lesions and nine had ADP lesions.

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter ADC of functional imaging Magnetic Resonance Imaging (MRI). The Magnetic Resonance Imaging will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: After four cycles of chemotherapy, 12 weeks

Population: For patients with lesions by location after four cycles of chemotherapy: only eight patients had supra-diaphragmatic lesions (or ADP lesions).

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter SUVmax of functional imaging Positron Emission Tomography (PET) . The functional imaging Positron Emission Tomography (PET) will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: After one cycle of chemotherapy, 3 weeks

Population: Eligible and evaluable population

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter SUVmax of functional imaging positron emission tomography (PET). The functional imaging positron emission tomography will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: After four cycles of chemotherapy, 12 weeks

Population: For patients with lesions by location after four cycles of chemotherapy: No patients with lesions in supra-diaphragmatic and viscera locations

Average intra-class correlation coefficients(Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter SUVmax of functional imaging positron emission tomography. The functional imaging positron emission tomography will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: Pre-therapeutic

Population: Eligible and evaluable population

Individual intra-class correlation coefficients by location (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter SUVmax of functional imaging positron emission tomography. The functional imaging positron emission tomography will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: Pre-therapeutic

Population: Eligible and evaluable population

Individual Intra-class Correlation (Absolute agreement) are presented by location to evaluate the reliability within observers of quantization parameter SUVmax of functional imaging Positron Emission Tomography (PET). The functional imaging Positron Emission Tomography (PET) will be interpreted twice by radiologist and nuclear medicine specialist.

Time frame: After one cycle of chemotherapy, 3 weeks

Population: Eligible and evaluable population

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter SUVmax of functional imaging positron emission tomography (PET) . The functional imaging positron emission tomography will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: After four cycles of chemotherapy, 12 weeks

Population: For patients with lesions by location after four cycles of chemotherapy: No patients with lesions in supra-diaphragmatic and viscera locations

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter MTV of functional imaging Positron Emission Tomography (PET). The functional imaging Positron Emission Tomography (PET) will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: After one cycle of chemotherapy, 3 weeks

Population: Eligible and evaluable population

Average intra-class correlation coefficients (Absolute agreement) arepresented by location to evaluate the reliability between observers of quantization parameter MTV of functional imaging Positron Emission Tomography. The functional imaging Positron Emission Tomography will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: Pre-therapeutic

Population: Eligible and evaluable population

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter MTV of functional imaging Positron Emission Tomography (PET). The functional imaging Positron Emission Tomography will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: After four cycles of chemotherapy, 12 weeks

Population: For patients with lesions by location after four cycles of chemotherapy: No patients with lesions in supra-diaphragmatic and viscera locations

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter MTV of functional imaging Positron Emission Tomography (MTV). The functional imaging Positron Emission Tomography will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: After four cycles of chemoterapy, 12 weeks

Population: For patients with lesions by location after four cycles of chemotherapy: No patients with lesions in supra-diaphragmatic and viscera locations

Individual intra-class correlation coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter MTV of functional imaging Positron Emission Tomography (PET). The functional imaging Positron Emission Tomography (PET) will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: After one cycle of chemoterapy, 3 weeks

Population: Eligible and evaluable population

Individual intra-class correlation coefficients (Absolute agreement) are presented by location to evaluate the reliability between observers of quantization parameter MTV of functional imaging Positron Emission Tomography. The functional imaging positron emission tomography will be interpreted independently by 2 radiologists and 2 nuclear medicine specialists, in blind to results found by the other.

Time frame: Pre-therapeutic

Population: Eligible and evaluable population

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observers of quantization parameter ADC of Magnetic Resonance Imaging (MRI) . The Magnetic Resonance Imaging will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: Pretherapeutic

Population: For patients with lesions by location at baseline: only eight patients had supra-diaphragmatic lesions and nine had ADP lesions.

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observers of quantization parameter ADC of Magnetic Resonance Imaging (MRI). The Magnetic Resonance Imaging will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After one cycle of chemotherapy, 3 weeks

Population: For patients with lesions by location after one cycle of chemotherapy: only eight patients had supra-diaphragmatic lesions and nine had ADP lesions.

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observers of quantization parameter ADC of Magnetic Resonance Imaging (MRI). The Magnetic Resonance Imaging will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After one cycle of chemotherapy, 3 weeks

Population: For patients with lesions by location after one cycle of chemotherapy: only eight patients had supra-diaphragmatic lesions and nine had ADP lesions.

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observers of quantization parameter ADC of Magnetic Resonance Imaging (MRI). The Magnetic Resonance Imaging will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: Pretherapeutic

Population: For patients with lesions by location at baseline: only eight patients had supra-diaphragmatic lesions and nine had ADP lesions.

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observers of quantization parameter ADC of functional imaging Magnetic Resonance Imaging (MRI). The Magnetic Resonance Imaging will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After four cycles of chemotherapy, 12 weeks

Population: For patients with lesions (by location) after four cycles of chemotherapy: only eight patients had supra-diaphragmatic lesions (or ADP lesions) and nine had sus-mesocolic lesions.

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observers of quantization parameter ADC of Magnetic Resonance Imaging (MRI). The Magnetic Resonance Imaging will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After four cycles of chemotherapy, 12 weeks

Population: For patients with lesions (by location) after four cycles of chemotherapy: only eight patients had supra-diaphragmatic lesions (or ADP lesions) and nine had sus-mesocolic lesions.

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameter SUVmax of functional imaging positron emission tomography (PET). The functional imaging positron emission tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After once cycle of chemoterapy, 3 weeks

Population: Eligible and evaluable population

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameter SUVmax of functional imaging positron emission tomography (PET). The functional imaging positron emission tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After four cycles of chemoterapy, 12 weeks

Population: Eligible and evaluable population. Only one patient had sus-mesocolic lesions, one patient ADP lesions, nine patients sub-mesocolic lesions and no patient had supra-diaphragmatic or viscera lesions

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameter SUVmax of functional imaging positron emission tomography (PET) . The imaging positron emission tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: Pre-therapeutic

Population: For patients with lesions by location at baseline: only one patients with lesions in viscera locations and nine patients with sus-mesocolic lesion

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameter ADC of functional imaging positron emission tomography (PET). The functional imaging positron emission tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: Pre-therapeutic

Population: For patients with lesions by location at baseline: only one patient with lesions in viscera locations

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameter SUV max of functional imaging positron emission tomography (PET). The functional imaging positron emission tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After one cycle of chemoterapy, 3 weeks

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameter MTV of functional imaging Positron Emission Tomography (PET). The functional imaging Positron Emission Tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After once cycle of chemotherapy, 3 weeks

Population: Eligible and evaluable population

Average Intra-class Correlation Coefficients by Location (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameters MTV of functional imaging Positron Emission Tomography. The functional imaging Positron Emission Tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: Pre-therapeutic

Population: For patients with lesions by location at baseline : only nine patients with sub-mesocolic lesions.

Average Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameter MTV functional imaging positron emission tomography (PET). The functional imaging positron emission tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After four cycles of chemotherapy, 12 weeks

Population: For patients with lesions by location after four cycles of chemotherapy: No patients with supra-diaphragmatic lesions or viscera lesions.

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameter MTV of functional imaging Positron Emission Tomography (PET). The functional imaging Positron Emission Tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After one cycle of chemoterapy, 3 weeks

Population: Eligible and evaluable population

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameters functional imaging Positron Emission Tomography (MTV). The functional imaging Positron Emission Tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: Pre-therapeutic

Population: For patients with lesions by location at baseline : only nine patients with sub-mesocolic lesions.

Individual Intra-class Correlation Coefficients (Absolute agreement) are presented by location to evaluate the reliability within observer of quantization parameter MTV functional imaging positron emission tomography (PET). The functional imaging positron emission tomography will be interpreted independently twice by the same radiologist and nuclear medicine specialist.

Time frame: After four cycle of chemoterapy, 12 weeks

Population: For patients with lesions by location after four cycles of chemotherapy: No patients with lesions in the location of supra-diaphragmatic and viscera

Time frame: Interval surgery visit: up to 3 weeks after cycle 4 of chemotherapy and until the day before the surgery

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After one cycle of chemotherapy, 3 weeks

Population: Relative variations of ADC by response : 8 partial response and 2 stable disease

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After four cycles of chemotherapy, 12 weeks

Population: Relative variations of SUVmax by response : 8 partial response and 2 stable disease

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After four cycles of chemotherapy, 12 weeks

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After one cycle of chemotherapy, 3 weeks

Population: Relative variations of MTV by response : 8 partial response and 2 stable disease

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After four cycles of chemotherapy, 12 weeks

Population: Relative variations of TLG by response : 8 partial response and 2 stable disease

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After one cycle of chemotherapy, 3 weeks

Population: Relative variations of TLG by response : 8 partial response and 2 stable disease

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After one cycle of chemotherapy, 3 weeks

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. RRelative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After four cycles of chemotherapy, 12 weeks

Population: Relative variations of SUVmax by response : 8 partial response and 2 stable disease

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After four cycles of chemotherapy, 12 weeks

Population: Relative variations of SUVN by response : 8 partial response and 2 stable disease

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After one cycle of chemotherapy, 3 weeks

Population: Relative variations of SUVN by response : 8 partial response and 2 stable disease

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After four cycles of chemotherapy, 12 weeks

Population: Relative variations of TLG by response : 8 partial response and 2 stable disease

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles (C1 or C4) of chemotherapy and the pre-therapeutic value (C0) divided by the pre-therapeutic value (C0).

Time frame: After one cycle of chemotherapy, 3 weeks

Population: Relative variations of TLG by response : 8 partial response and 2 stable disease

Time frame: 10 months

The Fagotti score ranges from 0 to 14 and is used to evaluate the peritoneal damage of patients. This score was collected during pretherapy and after 4 cycles of chemotherapy. The higher the stage number is, the further the cancer has spread. The Fagotti questionnaire has 7 items. A subscale value of 0 or 2 is assigned depending on whether the disease is present in those specific sites : large omentum, peritoneal carcinosis , diaphragmatic carcinosis, mesenteric retraction, intestinal infiltration, stomach infiltration,liver metastases. The sum of subscale values corresponds to Fagotti score.

Time frame: Pre-therapeutic

TThe Fagotti score ranges from 0 to 14 and is used to evaluate the peritoneal damage of patients. This score was collected during pretherapy and after 4 cycles of chemotherapy. The higher the stage number is, the further the cancer has spread. The Fagotti questionnaire has 7 items. A subscale value of 0 or 2 is assigned depending on whether the disease is present in those specific sites : large omentum, peritoneal carcinosis , diaphragmatic carcinosis, mesenteric retraction, intestinal infiltration, stomach infiltration,liver metastases. The sum of subscales corresponds to Fagotti score.

Time frame: Interval surgery visit: up to 3 weeks after cycle 4 of chemotherapy and until the day before the surgery

Time frame: 9, 13, 14 months

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy). In other words, without paying attention to assessment times and the location of the lesion, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyse. The appearance of new lesions (not present at baseline) has not been taken into account in the calculation of relative variations. The disappearance of pre-existing lesions at baseline has been taken into account in the calculation of relative variations. Relative variations has been calculated as the difference between the values collected after 4 cycles of chemotherapy and the pre-therapeutic value divided by the pre-therapeutic value.

Time frame: After four cycles of chemotherapy, 12 weeks

Population: Eligible and evaluable population

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy). In other words, without paying attention to assessment times and the location of the lesion, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyse. The appearance of new lesions (not present at baseline) has not been taken into account in the calculation of relative variations. The disappearance of pre-existing lesions at baseline has been taken into account in the calculation of relative variations. Relative variations has been calculated as the difference between the values collected after 1 cycle of chemotherapy and the pre-therapeutic value divided by the pre-therapeutic value.

Time frame: After one cycle of chemotherapy, 3 weeks

Population: Eligible and evaluable population

In this section, only the maximum values of the PET parameters (SUVmax, MTV, SUVN, SUL, TLG) and the minimum values of the MRI parameters (ADC) of each patient were taken into account for all lesions present at each evaluation time (pre-therapy, after 1 cycle of chemotherapy, after 4 cycles of chemotherapy. In other words, for each patient, the highest value of SUVmax, MTV, SUVN, SUL, TLG and the lowest ADC value was taken into account in the analyses. The appearance of new lesions (not present at baseline) has not been taken into account in the calculation of relative variations. The disappearance of pre-existing lesions at baseline has been taken into account in the calculation of relative variations. Relative variations has been calculated as the difference between the values collected after 1 or 4 cycles of chemotherapy and the pre-therapeutic value divided by the pre-therapeutic value.

Time frame: After one and four cycle(s) of chemotherapy (after 3 and 12 weeks)