Multidisciplinary Approach to Diagnose and Treat Diffuse Esophageal Leiomyomatosis: A Case Report - Luísa Martins Figueiredo; Maria Ana Rafael; Joana C. Branco; Catarina G. Rodrigues; António T. Alves; David Horta; Alexandra Martins (Korean Society of Gastrointestinal Endoscopy, 2020)