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: Pathology
[{'content': 'All are true about Neuroendocrine tumor of pancreas except: \nSelect and explain. \nA. Insulinoma is MC, B. VIP cause diarrhea, C. Diarrhea is MC symptom of gastrinoma, D. Somatostatinoma cause gall stone formation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: “Insulinomas are the most common pancreatic endocrine neoplasms and present with a typical clinical syndrome known as Whipple’s triad" - Schwartz\nGastrinoma (Zollinger-Ellison Syndrome); The most common presenting symptoms are an abdominal pain (70-100%), diarrhea (37-73%). and gastroesophageal reflux disease (GERD) (30- 35%); 10-20% have diarrhea only"-Harrison\nTable: GI Neuroendocrine Tumor Syndrome', 'role': 'assistant'}]