Corresponding Author

Department of Gastroenterological and Transplant Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan

Department of Gastrointestinal Surgery and Surgical Oncology, Ehime University Graduate School of Medicine, Toon, Japan

Correspondence

Hiroyuki Egi, Department of Gastroenterological and Transplant Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima 734-8551, Japan.

Email: hiroegi@yahoo.co.jp