This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach, Subject name: Pathology
[{'content': 'Most common site of gastrointestinal stromal tumor (GIST) is:- \nSelect and explain. \nA. Small intestine, B. Colon, C. Stomach, D. Liver', 'role': 'user'}, {'content': 'Answer: C \nExplanation: - Stomach is most common site of GIST. - MC benign tumor of stomach - Leiomyoma - MC malignant tumor of stomach - Adenocarcinoma - MC malignant gastric tumor that bleeds - Leiomyosarcoma - MC mesenchymal tumor of abdomen - GIST', 'role': 'assistant'}]