1) Department of Gastric Surgery, National Cancer Center Hospital1, Tokyo, Japan
2) Department of Support Service Center, National Cancer Center Hospital, Tokyo, Japan
3) Department of Surgical Center, National Cancer Center Hospital, Tokyo, Japan
4) Department of Anesthesia and Intensive Care, National Cancer Center Hospital, Tokyo, Japan

Takeyuki Wada¹⁾, Chihoko Hasegawa²⁾, Emi Fujii²⁾, Akane Namiki³⁾, Ayako Kamiya¹⁾, Keiichi Date¹⁾, Tsutomu Hayashi¹⁾, Sho Otsuki¹⁾, Yukinori Yamagata¹⁾, Takaki Yoshikawa¹⁾, Hitoshi Katai¹⁾, Tetsufumi Sato⁴⁾, Narikazu Boku²⁾, Toshiro Nishida¹⁾