[P45] 大腸　腫瘍1

[P-217] Three cases of followed laterally spreading tumor

^○Eisuke Nakao¹, Satoshi Asai¹, Kirie Hashimoto¹, Takumi Ichinona¹, Eisuke Akamine¹, Koujirou Tanoue¹, naoki fujimoto¹, Atsuhiro Ogawa² (1.Dept. of Gastroenterology , Tane General Hospital , Osaka , Japan, 2.Dept. of Surgery , Tane General Hospital , Osaka , Japan)