HIROYA ENOMOTO, KATSUHITO SUWA, NANA TAKEUCHI, YOSHITO HANNYA, YUHEI TSUKAZAKI, TAKURO USHIGOME, TOMOYOSHI OKAMOTO and KEN ETO
Department of Surgery, The Jikei University Daisan Hospital, Komae, Japan, Department of Surgery, The Jikei University Hospital, Tokyo, Japan