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
[{'content': "The usual location of dieulafoy's lesion is in the: \nSelect and explain. \nA. Fundus of the stomach, B. Body of the stomach, C. Pylorus of the stomach, D. First pa of the duodenum", 'role': 'user'}, {'content': "Answer: A \nExplanation: Dieulafoy's lesion Large (1- to 3-mm) submucosal aery that protrudes through the mucosa. It is not associated with a peptic ulcer. It can lead to massive bleeding. Usually is located in the gastric fundus, within 6 cm of the GE junction. Ref: Sleisenger and Fordtran's, E-9, P-299.", 'role': 'assistant'}]