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
[{'content': 'Chain of lakes appearance in ERCP is seen is – \nSelect and explain. \nA. Acute pancreatitis, B. Chronic pancreatitis, C. Carcinoma pancreas, D. Ductal adenoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Chain of lakes or string of pearls appearance is seen in chronic pancreatitis.', 'role': 'assistant'}]