Ec 600wm

This study was approved by the Ethics Committee of the National Cancer Center, Tokyo, Japan. All methods were performed in accordance with the Ethical Guidelines for Medical and Health Research Involving Human Subjects. Informed consent was obtained from each patient included in the study. All colonoscopic still and video images were obtained at this institution. We retrospectively collected images of colonoscopies performed between January 2015 and June 2016. The images were assigned to the training set of the deep learning model (obtained between January 2015 and April 2016) or the validation set (obtained between May 2016 and June 2016). All images were obtained using standard endoscopes (PCF-Q240ZI, CF-H260AZI, PCF-Q260AZI, CF-HQ290AI, or PCF-H290AZI; Olympus Optical Co., Tokyo, Japan and EC-580RD/M, EC-590MP, EC-590ZP, EC-590WM3, EC-600ZW/M, EC-600WM, EC-L600ZP; Fujifilm Medical Co., Tokyo, Japan) and a standard video processor system (EVIS LUCERA system; Olympus Optical; Advancia HD or LASEREO system; Fujifilm Medical).