This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
[{'content': 'Surgery of choice for chronic duodenal ulcer is - \nSelect and explain. \nA. Vagotomy + antrectomy, B. Total gastrectomy, C. Truncal vagotomy + pyloroplasty, D. Highly selective vagotomy', 'role': 'user'}, {'content': "Answer: D \nExplanation: Highly selective vagotomy Procedure of choice for chronic or intractable duodenal ulcers Nerves of Latarjet supplying the antrum are preserved (and hence gastric motility) Drainage procedure is not required Lowest Moality rate and side effects. Minimal chances of dumping Syndrome and gastric atony Relatively high recurrence. Ref: Maingot's 11/e chapter 11 & 12; Schwaz 9/e p913", 'role': 'assistant'}]