Long-term Outcomes After Endoscopic Resection for pMM/SM1 Esophageal Cancer: A Multicenter Prospective Cohort Study.
BACKGROUND AIMS The optimal management of esophageal cancer with muscularis mucosae or shallow submucosal invasion (post-endoscopic resection [ER] pMM/SM1 cancer) remains controversial. Evidence is largely retrospective, and prospective data are lacking. METHODS This study enrolled patients with squamous cell carcino...