This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Commonest association seen in carcinom gall bladder- \nSelect and explain. \nA. Peritoneal deposits, B. Duodenal infiltration, C. Secondaries liver, D. Cystic node involvement', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]