Fig. 1From: Progression to invasive cancer after snare polypectomy of intracholecystic papillary neoplasms during gallbladder stone removal by percutaneous transhepatic choledochoscopy: a case reportIntracholecystic papillary neoplasm (ICPN) during percutaneous transhepatic choledochoscopy. a Papillary tumor within the gallbladder. b, c Mass removal using snare polypectomy. d Resected specimen of ICPN, measuring 1.2 × 0.7 × 0.7 cm, and the removed gallbladder stoneBack to article page