Affiliation: | 1. Tada Tomohiro Institute of Gastroenterology and Proctology, Saitama, Japan;2. Department of Surgery, Teikyo University School of Medicine, Tokyo, Japan;3. Department of Surgery, Sanno Hospital, The International University of Health and Welfare, Tokyo, Japan;4. Department of Surgical Oncology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan;5. Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan;6. Department of Gastroenterology, Sendai Kousei Hospital, Miyagi, Japan;7. Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan;8. Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan;9. AI Medical Service Inc, Tokyo, Japan |