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A case of ampullary adenoma that was indicated for endoscopic papillectomy. (A) EP was performed using a snare with a diameter of 13 mm. (B) No residual tumor was observed endoscopically after papillectomy. (C) Two guidewires were placed after cannulation of the bile and pancreatic ducts. (D) EP was completed by inserting a stent into both the biliary and pancreatic ducts.
