[P45] 大腸　腫瘍1

[P-218] 2 cases of sessile serrated adenoma/polyp (SSA/P) with intramucosal cancer.

^○Masaomi Imajyou¹, Yasunori Oono¹, Motohiro Kojima², Masaaki Noguchi¹, Hiroshi Nakamura¹, Takuya Honbu¹, Kenji Takashima¹, Tomohiro Kadota¹, Tomoji Kato¹, Hiroyuki Morimoto¹, Shozo Osera¹, Yusuke Yoda¹, Hiroaki Ikematsu¹, Tomonori Yano¹, KAZUHIRO KANEKO¹ (1.Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Japan, 2.Pathology Division, Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan)