学会発表（国際）
Takashi Masuda, Yuichi Endo, Kiyoshi Hasegawa, Yoshikuni Kawaguchi, Tadatoshi Takayama, Namiki Izumi, Naoki Yamanaka, Masatoshi Kudo, Mitsuo Shimada, Shuichi Kaneko, Hideo Baba, Kazuhiko Koike, Masao Omata, Masatoshi Makuuchi, Yutaka Matsuyama, Masafumi Inomata, Norihiro Kokudo: SURF trial group. Comparative study of laparoscopic hepatectomy, open hepatectomy, and percutaneous radiofrequency ablation for small hepatocellular carcinoma: an ancillary study of randomized controlled trial (SURF trial). IHPBA（International HPB association world congress）24, Supp 1, S134, 2021.
Takashi Masuda, Yuichi Endo, Kiyoshi Hasegawa, Yoshikuni Kawaguchi, Tadatoshi Takayama, Namiki Izumi, Naoki Yamanaka, Masatoshi Kudo, Mitsuo Shimada, Shuichi Kaneko, Hideo Baba, Kazuhiko Koike, Masao Omata, Masatoshi Makuuchi, Yutaka Matsuyama, Masafumi Inomata, Norihiro Kokudo: SURF trial group. Comparative study of laparoscopic hepatectomy, open hepatectomy, and percutaneous radiofrequency ablation for small hepatocellular carcinoma: an ancillary study of randomized controlled trial (SURF trial). IHPBA（International HPB association world congress）24, Supp 1, S134, 2021.