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': 'Dumping syndrome occurs least with ? \nSelect and explain. \nA. Selective vagotomy, B. Truncal vagotomy, C. Highly selective vagotomy, D. Syndrome occurs with all of the above commonly', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Highly selective vagotomy It is least seen with highly selective vagotomy because the motility of the stomach is least affected in highly selective vagotomy and is most common with gastrectomy.", 'role': 'assistant'}]