Post written by Enrique Rodríguez de Santiago, MD, MSc, from the Digestive Diseases Center, Showa University, Koto-Toyosu Hospital, Koto-Ku, Tokyo, Japan, and the Department of Gastroenterology and Hepatology, Hospital Universitario Ramón y Cajal, Universidad de Alcalá, IRYCIS, Madrid, Spain. In this study, we aimed to investigate the safety of peroral endoscopic myotomy (POEM) in patients …