Naohisa Yahagi, MD
Prof Naohisa Yahagi is Professor of Medicine and director o Division of research and development for minimally invasive treatment, cancen center, Keio university in Japan. He got his medical degree in 1998 Faculty of Medicine, Niigata University, Niigata, Japan and his Ph. D. (Dr. of Medical Science) from Faculty of Medicine, The University of Tokyo, Tokyo, Japan