[O004] 胃　ESD4

[O004-2] Unavoidable human error of tumor size during attachment of resected specimens :Precise tumor sizeunder constant pressure

^○Hirohito Mori^1,2, Hideki Kobara¹, Tsutomu Masaki¹ (1.Dept. of Gastroenterology and Neurology, Kagawa University, Japan, 2.Department of Gastroenterological Surgery, Ehime Rosai Hospital, Ehime, Japan)