This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Postgastrectomy Complications, Subject name: Surgery
[{'content': 'Least chances of complication like dumping syndroms, and diarrhoea is seen in : \nSelect and explain. \nA. Highly selective vagotomy, B. Truncal vagotomy & Gastrojejunostomy, C. Antrectomy with truncal vagotomy, D. Vagotomy with pyloroplasty', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' 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'}]