[O044] 大腸　ESD/EMR3

[O044-4] T1 and T2 cancer only consisting of well-differentiated adenocarcinoma have low risk of lymph node metastasis

^○Kiyoshi Ogiso¹, Naohisa Yoshida¹, Ryohei Hirose¹, Yutaka Inada¹, Yuji Naito¹, Masayoshi Nakanishi², Eigo Ootsuji², Mitsuo Kishimoto³, Akio Yanagisawa³, Yoshito Ito¹ (1.Dept. of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan, 2.Department of Surgery, Division of Digestive Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan, 3.Department of Surgical Pathology, Kyoto Prefectural University of Medicine, Kyoto, Japan)