This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pathophysiology - Neoplasms, Subject name: Surgery
Which is not true regarding Insulinoma : 
Select and explain. 
A. Hypoglycemic attacks, B. Weight loss, C. Usually Solitary tumor, D. Mostly benign tumor
B: Weight loss
Answer: B: Weight loss 
Explanation: Ans. is 'b' ie Weight loss Hypoglycemic attack are part of Whipple's triadInsulinoma is usually solitary tumorOnly 5 to 15% are malignant