I specialize in gastrointestinal endoscopy. Among them, I have been involved in medical treatment and research with the main themes of diagnosis and endoscopic treatment for gastrointestinal cancer. During the period from 2002 to 2006, he studied as a resident of the National Cancer Center Hospital, and since 2007, he has experienced many cases as a staff doctor of the Endoscopy Division of the Shizuoka Cancer Center. Currently, I am engaged in medical treatment at Nihon University Hospital with the main theme of lower endoscopy.