The 81st Annual Meeting of The Japan Society of Coloproctology

*Daichi Kitaguchi¹, Fariba Abbassi^2,3, Matthias Turina² (1. Department of Surgery, Institute of Medicine, University of Tsukuba, Japan, 2. Department of Visceral and Transplant Surgery, University of Zurich, 3. Institute of Epidemiology, Biostatistics and Prevention, University of Zurich)

*Masatsune Shibutani¹, Hiroshi Ohtani², Shusei Endo¹, Tomoya Tsukida¹, Hideki Tanda¹, Yuki Seki¹, Hiroaki Kasashima¹, Jyunya Nishimura³, Tatsunari Fukuoka³, Takafumi Nishii³, Kiyoshi Maeda¹ (1. Department of Gastroenterological Surgery, Osaka Metropolitan University Graduate School of Medicine, Japan, 2. Department of Surgery, Ohno Memorial Hospital, 3. Department of Surgery, Osaka City General Hospital)

*Takehito Yamamoto¹, Yoshiro Itatani¹, Ryosuke Okamura¹, Haruku Fujita¹, Shingo Ochi¹, Ryuhei Aoyama¹, Yu Yoshida¹, Masahiro Maeda¹, Keiko Kasahara¹, Nobuaki Hoshino¹, Kazutaka Obama¹ (1. Department of Surgery, Kyoto University, Japan)

*Takahisa Hirokawa¹, Naoki Hirano¹, Takumi Yamada¹, Yuta Shimada¹, Tetsuro Miyaike¹, Ryutaro Kato¹, Yoshiaki Fujii¹, Shuhei Ueno¹, Yoshinaga Aoyama¹, Hiroyuki Imafuji¹, Hirotaka Miyai¹, Moritsugu Tanaka¹, Masahiro Kimura¹ (1. Kariya Toyota General Hospital, Japan)

*Yoshiko Bamba¹, Shimpei Ogawa¹, Yuka Kaneko¹, ryo Futatsuki¹, Yurin Kondo¹, Kurodo Kashino¹, Natsuki Matsuo¹, Kimitaka Tani¹, Fumi Maeda¹, Shinsuke Maeda¹, Shunichi Ito¹, Shigeki Yamaguchi¹ (1. Department of Surgery, Institute of Gastroenterology Tokyo Women’s Medical University, Japan)