Koji Otsuka, MD, PhD (Upper GI Surgery & Endoscopic Surgery)

Department of Gastroenterological & General Surgery, School of Medicine, Showa University, Tokyo, Japan

Dr. Koji Otsuka was born in 1969. He was given the medical master degree after graduation from Showa University in 1995, and worked in Department of General Surgery in Showa University Hospital. After two years residency, he went on loan to other related hospitals to learn more skillful surgical technique for a several years. In 1998, he came back to Department of Gastroenterological and General Surgery, Showa University. He went to abroad to study minimally invasive surgery at Cedars Sinai Medical Center, USA as clinical research fellow in 2002. During this one-year fellowship, he was trained to be more experienced in clinical and research work of surgical endoscopy. He continued his study after he came back to Japan, and he started laparoscopic surgery for gastric cancer and thoracoscopic esophagectomy for esophageal cancer in 2003. He received his Ph.D. from the School of Medicine, Showa University in 2012. He became an associate professor in Showa University hospital in 2013. He serves on Councilor of the Japan Society for Endoscopic Surgery (JSES), and the Japan Surgical Association, the Japan Esophageal Society, the Japanese Society for abdominal Medicine and international member of SAGES. He has been a qualified surgeon for esophageal malignancy by the Endoscopic Surgical Skill Qualification System managed by JSES. His specialties are upper GI surgery, esophageal surgery, minimally invasive surgery, Endoscopic submucosal dissection (ESD). His department is the most experienced institute of thoracoscopic esophagectomy for esophageal cancer in Japan (more than 800 cases). He serves as board members of the Japanese Society for abdominal Medicine.