This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pancreas, Subject name: Surgery
[{'content': "Treatment of choice for cancer head of pancreas? \nSelect and explain. \nA. Radiotherapy, B. Chemotherapy + Radiotherapy, C. Whipple's surgery, D. Resection of the entire pancreas with adjuvant chemotherapy", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. (c) Whipple's SurgeryRef: Bailey and Love 26th/e p. 1139* Whipple's Pancreaticoduodenectomy is the Surgical Treatment of Choice for Distal CBD cancer, Periampullary cancer and Pancreatic head cancer", 'role': 'assistant'}]