
Keywords: Endoscopic submucosal dissection; Motility; Foregut surgery; Esophagus; Endoscopic surgery; Abbreviations: POEM, Per-Oral Esophageal Myotomy; ESD, Endoscopic Submucosal Dissection; EGD, Esophagogastroduodenoscopy; HRM, High-Resolution Manometry; HRIM, Hig