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: Surgery
[{'content': 'True about duodenal adenocarcinoma -a) Commonest small intestinal tumorb) Arises from periampullary regionc) Jaundice & anaemia foundd) 5 yr survival is 5%e) Surgery is only curative \nSelect and explain. \nA. ab, B. bc, C. acd, D. bce', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]