Open access
Jul 2026
Clinical Outcomes of Endoscopic Resection for Large (>3 cm) Ampullary Tumors
Abstract Background and Study Aims Current guidelines recommend en bloc endoscopic resection (ER) for ampullary tumors up to 3 cm and surgery for those exceeding 4 cm, based on low-quality evidence. Robust clinical data and operative experience with ER for tumors >3 cm are relatively limited. This study aimed to invest...
Tian-Yu Zhang, Zhang-Han Chen, Dong-Li He et al.
· Endoscopy International Open · 0 citations