[O050] 大腸　遺伝子他

[O050-1] Preoperative tatooing and intraoperative colonoscopy for lower rectal cancer after chemoradiotherapy

^○Keisaku Kondo¹, Keitaro Tanakla¹, Shunsuke Hosono¹, Masashi Ymamomoto¹, Junji Okuda², Kazuhisa Uchiyama¹ (1.Dept. of Gastrornterological Surgery, Sch. of Med. Osaka Medical College, Osaka, Japan, 2.Div. of Cancer Center, Osaka Medical College Hospital, Osaka, Japan)