Background
Watanabe, Masahiko was born on April 3, 1953 in Chiba, Japan.
Watanabe, Masahiko was born on April 3, 1953 in Chiba, Japan.
Doctor of Philosophy, Keio University, Tokyo, 1980.
Associate professor Keio University Department Surgical, 2000—2003, chief, colorectal division. Professor and chairman Kitasato University School Medicine, Department Surgical, Sagamihara, Japan, since 2004.