This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Robotics, Laparoscopy and Bariatric Surgery, Subject name: Surgery
[{'content': 'All are components of duodenal switch surgery EXCEPT: \nSelect and explain. \nA. Gastro-duodenostomy, B. Cholecystectomy, C. Duodeno-ileostomy, D. Sleeve gastrectomy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Gastro-duodenostomy is not a component of duodenal switch surgery Components of duodenal switch surgery are: Sleeve gastrectomy Duodeno-ileostomy Jejuno-ileostomy Cholecystectomy Appendectomy', 'role': 'assistant'}]