Patients who underwent chest CT scans
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (Inclusion criteria for all CT images) 1)CT images captured during the last about ten years at each Image Collection Medical Institution 2)CT images captured by the designated vendor's CT devices 3)CT images of patients aged 20 years or older at the time of CT imaging 4)CT Images that met the specified conditions of pixel size, slice thickness, dose, and image reconstruction function (kernel) (Selection criteria for false negative cases) Images with pulmonary nodules not detected by this product (Selection criteria for false positive cases) Images in which the product mistakenly detects a normal structure as a pulmonary nodule
Exclusion criteria
Exclusion criteria: 1)CT images haveing metal artifacts 2)CT images of cases with the surgical scars or diseases that interfere with the detection of pulmonary nodule 3)CT images with inadequate DICOM header information 4)In case that IC from patients is required to obtain, CT images of patients who were unable to obtain informed consent or denied the use of images in this study when obtaining written or oral informed consent 5)Other cases that the Image Collection Physicians deems inappropriate
Contacts
M3, Inc.