Long‐term outcomes of endoscopic papillectomy for early‐stage cancer in duodenal ampullary adenoma: Comparison to surgical treatment

While recent evidences support endoscopic resection as curative in ampullary tumors with high-grade intraepithelial neoplasia, only small case series have reported endoscopic management of early-stage ampullary cancer; thus, radical surgery remains the only accepted treatment modality. We evaluated the long-term outcomes of early ampullary adenocarcinoma administered endoscopic management.We retrospectively reviewed electronic medical records of...