Affiliation: | 1.Department of Gastroenterological and Transplant Surgery, Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minamiku, Hiroshima, 734-8551, Japan ;2.Department of Surgery, Institute for Clinical Research, National Hospital Organization Kure Medical Center and Chu-goku Cancer Center, 3-1, Aoyama-cho, Kure-shi, Hiroshima, 737-0023, Japan ;3.Department of Surgery, Saitama Medical Center, Jichi Medical University, 1-847 Amanuma-cho, Ohmiya-ku, Saitama, 330-8503, Japan ;4.Department of Surgery, Nerima Hikarigaoka Hospital, 2-11-1 Hikarigaoka, Nerima, Tokyo, 179-0072, Japan ;5.Division of Colon and Rectal Surgery, Shizuoka Cancer Center Hospital, 1007 Shimonagakubo, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8777, Japan ;6.Department of Gastroenterological Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan ;7.Department of Surgery, Division of Gastroenterological Surgery, National Hospital Organization Shikoku Cancer Center, 160 Koh, Umemotomachi, Matsuyama, Ehime, 791-0280, Japan ;8.Division of Surgical Oncology, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, Chiba, 277-8577, Japan ;9.Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hazama-cho, Yufu, Oita, 879-5593, Japan ;10.Department of Gastroenterological Surgery, Saitama Cancer Center, 780 Komuro, Inamachi, Kita-Adachi-gun, Saitama, 362-0806, Japan ;11.Department of Gastroenterological and General Surgery, Showa University Fujigaoka Hospital, 1-30 Fujigaoka, Aoba-ku, Yokohama, Kanagawa, 227-8501, Japan ;12.Department of Surgery and Oncology, Kyushu University Graduate School of Medical Sciences, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan ;13.Department of Gastroenterological Surgery, Hamanomachi Hospital, 3-3-1 Nagahama, Chuo-ku, Fukuoka, 810-8539, Japan ;14.Department of Gastroenterological Surgery, Saitama Medical University International Medical Center, 1397-1 Yamane, Hidaka, Saitama, 350-1298, Japan ;15.Department of Surgery, Kitasato University, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa, 252-0374, Japan ; |