This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Pathology
[{'content': 'The following condition of GB is precancerous \nSelect and explain. \nA. Cholesterosis, B. Porcelain gall bladder, C. Biliary atresia, D. Choledochal cyst', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Porcelain gallbladder is the pattern when the gallbladder wall is calcified and cracks like an egg-shell. Porcelain gallbladdder is paicularly likely to become cancerous. Risk factors for ca gallbladder includes: 1. Gallstones 2. Genetic factors. 3.carcinogen in bile acids 4.calcificatiin of gall bladder (porcelain gallbladder) 5.GI disorders like ulcerative colitis and polyposis syndrome. TEXTBOOK OF PATHOLOGY 6TH EDITION HARSH MOHAN PAGE NO:642,643', 'role': 'assistant'}]