This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Medicine
[{'content': 'Which of the following is the most common endocrine tumor of pancreas? \nSelect and explain. \nA. Gastrinoma, B. VIPoma, C. Insulinoma, D. Glucagonoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: INSULINOMA: It is Pancreatic Neuroendocrine Tumor. Overall most common functional Pancreatic Neuroendocrine Tumor. NEURO ENDOCRINE TUMORS (NET) OF PANCREAS M/c Neuroendocrine tumor (NET):Non- functional M/c functional Neuroendocrine tumor:Insulinoma M/c functional & malignant NET:Gastrinoma. MC Enteropancreatic NET seen in MEN 1 -Nonfunctioning PPoma (pancreatic polypeptide secreting tumor) MC Functional Enteropancreatic NET in MEN 1 -Gastrinoma > Insulinoma', 'role': 'assistant'}]