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': '18 year old female patient comes complaints of upper abdominal pain, nausea, vomiting and abdominal distention for three days.  There is  history of recent weight loss. The aorto-mesenteric angle measured 11°.what is the appropriate treatment \nSelect and explain. \nA. Weight gain, B. Duodenojejunostomy, C. CECT to rule out tumors, D. Duodenoduodenostomy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Normal angle between superior mesenteric artery and aorta is 40 °\nPrimary goal of the treatment is weight gain so that increases fat pad between arteries', 'role': 'assistant'}]