Expertise
Surgical treatment of gastric cancer (open surgery, laparoscopic surgery, robotic-assisted surgery)
Minimally invasive surgery and comprehensive treatment with perioperative chemotherapy
Preservation and improvement of quality of life after gastrectomy

Introduction
Dr. Souya Nunobe is a specially invited expert at Jiahui Health and currently serves as the Deputy Director of the Hospital and Director of the Department of Gastric Surgery at the Cancer Institute Hospital in Japan.

Since 1996, Dr. Nunobe has been dedicated to the field of gastric cancer surgery. He completed his residency and specialized training at top Japanese institutions, including the University Hospital of Kyoto Prefectural University of Medicine and the National Cancer Center Hospital. He studied under renowned gastric cancer surgery experts, Professor Takeshi Sano and Professor Mitsuru Sasako, where he systematically acquired the core concepts and techniques of surgical oncology.

Starting in 2005, he actively promoted the application of minimally invasive surgery in gastric cancer treatment and introduced robotic-assisted surgery in 2019. Dr. Nunobe previously served as an Assistant Professor in Gastrointestinal Surgery at the Graduate School of Medicine, The University of Tokyo. He returned to the Department of Gastric Surgery at the Cancer Institute Hospital in 2010, became Vice Director of Gastric Surgery in 2016, was promoted to Director in 2019, and has additionally served as Deputy Director of the Hospital since 2023.

Dr. Nunobe has published over 160 peer-reviewed academic articles and serves on the editorial board of the Japanese Journal of Clinical Oncology. In 2007, he received the Nishi Memorial Award from the Japanese Gastric Cancer Association for his research on "quality of life after pylorus-preserving gastrectomy." Additionally, he has performed more than 20 live demonstrations of radical gastrectomy outside Japan, including in mainland China, Hong Kong, and Vietnam.

Dr. Nunobe also holds the following positions: Councilor of the Japanese Society of Gastroenterological Surgery, Councilor of the Japanese Gastric Cancer Association, Member of the Japanese Surgical Society, and Executive Member of the International Gastric Cancer Congress.