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
Which is the treatment of choice for CA head of pancreas 
Select and explain. 
A. Radiotherapy, B. Chemotherapy+ Radiotherapy, C. Whipple's Surgery, D. Resection of the entire pancreas with adjuvant chemotherapy
C: Whipple's Surgery
Answer: C: Whipple's Surgery 
Explanation: Answer- C. Whipple's SurgeryWhipples operation (Pancreaticoduodenectomy) is the most commonly performed operation for carcinoma of head of Pancreas.