Abdominal and Pelvic Malignancies receiving Radiotherapy
Conditions
Interventions
Radiotherapy Setup Error Observation Cohort (High risk vs. Low risk):None
Sponsors
Hangzhou Cancer Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.Patients with malignant tumors confirmed by pathology or imaging, undergoing radiotherapy (including but not limited to abdominal and pelvic regions). 2.Available data of at least one CBCT or KV-level image-guided verification.
Exclusion criteria
Exclusion criteria: 1.Planning CT anatomical range is insufficient or image quality is suboptimal, making it impossible to identify subcutaneous and visceral fat; 2.Radiotherapy plan with multiple isocenters; 3.Presence of abdominal/pelvic effusion, subcutaneous edema, or metabolic diseases affecting adipose tissue distribution and function.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Patient-Specific Setup Risk Stratification;Predictive performance (AUC, sensitivity, specificity);Predictive performance (AUC, sensitivity, specificity); | — |
Secondary
| Measure | Time frame |
|---|---|
| Radiomic Features;Clinical Baseline Characteristics;Body Surface Morphological Features;Body Composition Analysis Parameters; | — |
Countries
China
Contacts
Public ContactLai Jianjun
Hangzhou Cancer Hospital
Outcome results
None listed