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
Which is the most common complication of of undescended testis 
Select and explain. 
A. Torsion, B. Infertility, C. Epididymo-orchitis, D. Indirect inguinal hernia
D: Indirect inguinal hernia
Answer: D: Indirect inguinal hernia 
Explanation: None