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: Medicine
Which of the following statements about Insulinoma is true: 
Select and explain. 
A. Present in Pancreas, B. Mostly malignant, C. Surgery is usually not required, D. Usually multiple
A: Present in Pancreas
Answer: A: Present in Pancreas 
Explanation: Answer is A (Present in Pancreas): The most common site of Insulinomas is the Pancreas.