Endoscopic snare resection of papillary-type early bile duct cancers.
D000231:Adenocarcinoma, Papillary / Q000601:surgery*; D003138:Common Bile Duct Neoplasms / Q000601:surgery*; D016099:Endoscopy, Gastrointestinal; D019160:Endosonography; D006801:Humans