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': 'In a male after laparoscopic cholecystectomy, specimen is sent for histopathology which shows carcinoma gallbladder stage Tla. Appropriate management is: \nSelect and explain. \nA. Conservative and follow up., B. Extended cholecystectomy, C. Excision of all po sites, D. Radiotherapy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Excision of all po sites Repeat from May 2011', 'role': 'assistant'}]