“…F, female; GBP, gallbladder polyp (polypoid lesion); GS, gallstone; Hx, resection of the gallbladder bed with lymph node dissection following LC; LC, laparoscopic cholecystectomy; M, male; pap, papillary adenocarcinoma; pN0, no regional lymph node metastasis; pN2, metastases in peripancreatic (head only), periduodenal, periportal, coeliac and/or superior mesenteric lymph nodes; pNx, regional lymph nodes cannot be assessed; por, poorly differentiated adenocarcinoma; pT2, the tumor invades perimuscular connective tissue without extension beyond the serosa or into the liver; pT3, the tumor perforates the serosa or directly invades one adjacent organ (or both); well, well-differentiated adenocarcinoma. and for patients undergoing LC, unsuspected GBC has been detected in 0.2-2.9% of patients [2][3][4][5]8,18,19]. Among patients presenting with polypoid lesions of the gallbladder, the incidence of cancer is reported to range from 4 to 18% [20][21][22].…”