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: Anatomy
Operation for chronic Pancreatitis are the following except 
Select and explain. 
A. Beger's procedure, B. Longitudinal pancteaticojejunostomy, C. Frey's procedure, D. None
D: None
Answer: D: None 
Explanation: Surgical procedure Drainage Puestow procedure Paington and Rochelle Modification of puestow's procedure Duval procedure Beger's procedure Warren's modification of Beger's procedure Frey's procedure Berne modification Hamburg modification of Frey's Ref: Sabiston 20th edition Pgno :1534