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': 'Which is not true regarding Insulinoma ? \nSelect and explain. \nA. Hypoglycemic attacks, B. Weight loss, C. Usually Solitary tumour, D. Mostly benign tumour', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans is 'b' ie Weight loss As already discussed : Hypoglycemic attacks are pa of Whipple's triad Insulinoma is usually solitary (-90%) Only 5 to 15% are malignant", 'role': 'assistant'}]