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
Which is not true regarding Insulinoma ? 
Select and explain. 
A. Hypoglycemic attacks, B. Weight loss, C. Usually Solitary tumour, D. Mostly benign tumour
B: Weight loss
Answer: B: Weight loss 
Explanation: 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