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
Seton’s procedure is treatment for 
Select and explain. 
A. Hemorrhoids, B. Fissure in ano, C. Fistula in ano, D. Pilonidal sinus
C: Fistula in ano
Answer: C: Fistula in ano 
Explanation: It is used for high lying fistula in ano.