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: Radiology
Chain of lakes appearance on ERCP is seen in: 
Select and explain. 
A. Choledocholithiasis, B. Chronic relapsing pancreatitis, C. Traumatic pancreatitis, D. Carcinoma head of pancreas
B: Chronic relapsing pancreatitis
Answer: B: Chronic relapsing pancreatitis 
Explanation: Ans. Chronic relapsing pancreatitis