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
Dumping syndrome occurs least with ? 
Select and explain. 
A. Selective vagotomy, B. Truncal vagotomy, C. Highly selective vagotomy, D. Syndrome occurs with all of the above commonly
C: Highly selective vagotomy
Answer: C: Highly selective vagotomy 
Explanation: 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.