^○Hidekazu Kuramochi¹, Hiroto Egawa² (1.Department of Chemotherapy and Palliative Care, Tokyo Women's Medical University, 2.Department of Gastrointestinal and General Surgery, Tokyo Women's Medical University)

^○Takafumi Kitazono¹, Shohei Ueno¹, Tomomi Koike¹, Yudai Shinohara¹, Daisuke Yamada², Junichi Motoshita³, Hozumi Shimokawa¹, Yasunori Ichiki⁴ (1.Department of Hematology and Oncology, Japan Community Health Care Organization Kyushu Hospital, 2.Department of Hepato-Biliary-Pancreatic Surgery, Japan Community Health Care Organization Kyushu Hospital, 3.Department of Pathology, Japan Community Health Care Organization Kyushu Hospital, 4.Department of Gastroenterology, Japan Community Health Care Organization Kyushu Hospital)

^○Haruhiko Takeda (Department of Gastroenterology and Hepatology, Kyoto University)

^○Taku Sawafuji, Takeshi Yamada, Naoyuki Hasegawa, Kazuhiro Takahashi, Yoshiyuki Yamamoto, Toshikazu Moriwaki, Shintaro Akiyama, Mariko Kobayashi, Kiichiro Tsuchiya (University of Tsukuba Hospital)

^○Hang Thu Hoang (Department of Optimal Clinical Care, National Cancer Hospital Vietnam)

^○Kyunghye Bang, Changhoon Yoo, Min-Hee Ryu, Sook Ryun Park, Hyung-Don Kim, Baek-Yeol Ryoo (Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine)

^○Yoshimi Fujishima¹, Jun Ishida², Hideaki Okada¹ (1.Department of Medical Oncology, Kobe Minimal Invasive Cancer Center, 2.Department of Radiology, Kobe Minimal Invasive Cancer Center)

^○Lkhagvaochir Tovuu, Enkhjargal Bayarsaikhan (Department of Laboratory Medicine, National Cancer Center of Mongolia)

^○Nikhil Garg (Department of Surgical Oncology, AIIMS Bathinda, India)

^○Atsushi Naganuma¹, Yuhei Suzuki¹, Hidetoshi Yasuoka¹, Takashi Hoshino¹, Satoru Kakizaki¹, Hiroshi Tanaka², Keitaro Hirai², Ichiro Sakamoto², Tetsushi Ogawa² (1.Department of Gastroenterology, National Hospital Organization Takasaki General Medical Center, 2.Department of Surgery, National Hospital Organization Takasaki General Medical Center)

^○Maomao Cao, Wanqing Chen (National Cancer Center)