Information about several papers discussed at the 9th Japan-Korea Joint Symposium held on May 15, 2010 at Tokyo, Japan, on gastrointestinal endoscopy is presented. Topics include training system and registration of endoscopic submucosal dissection, the role of endoscopy in the diagnosis of small bowel diseases, and pancreatobiliary diseases. The symposium featured several delegates including Michio Kaminishi, Joon Soo Hahm, and Kyu Yong Choi.