Suitability of the expanded indication criteria for the treatment of early gastric cancer by endoscopic submucosal dissection: Japanese multicenter large-scale retrospective analysis of short- and long-term outcomes

Kazuhiko Nakamura, Kuniomi Honda, Kazuya Akahoshi, Eikichi Ihara, Hiroshi Matsuzaka, Yorinobu Sumida, Daisuke Yoshimura, Hirotada Akiho, Yasuaki Motomura, Tsutomu Iwasa, Keishi Komori, Yoshiharu Chijiiwa, Naohiko Harada, Toshiaki Ochiai, Masafumi Oya, Yoshinao Oda, Ryoichi Takayanagi