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
[{'content': 'Pancreatic pseudocyst most commonly occurs after ? \nSelect and explain. \nA. Trauma, B. Pancreatitis, C. Pancreatic surgery, D. Pancreatic malignancy', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e. Pancreatitis Most common cause of pancreatic pseudocyst is Pancreatitis (90%) The second most common cause is trauma (10%). Pseudocysts are seen in both acute and chronic pancreatitis.", 'role': 'assistant'}]