This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pancreas, Subject name: Surgery
[{'content': 'Most common primary leading to secondaries in pancreas: \nSelect and explain. \nA. Lung, B. Breast, C. Colon, D. Stomach', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) LungRef: Blumgart 5/e p 930-933* Secondary deposits in Pancreas is mc from Renal cell cancer (But on Postmortem studies- Lung cancer has been the topmost to produce secondary to pancreas)', 'role': 'assistant'}]