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: Anatomy
[{'content': 'Most common site of ectopic pancreatic tissue is? \nSelect and explain. \nA. Stomach, B. Jejunum, C. Appendix, D. Hilum of spleen', 'role': 'user'}, {'content': "Answer: A \nExplanation: Stomach'Accessory pancreatic tissue may be anywhere from the distal end of the esophagus to the tip of the primary intestinal loop. Most .frequently, it lies in the mucosa of the stomach and in Meckel's diveiculum, where it may show all of the histological characteristics of pancreas itself' - Langman's Embryology", 'role': 'assistant'}]