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
Commonest position of the appendix - 
Select and explain. 
A. Retrocecal, B. Preileal, C. Postileal, D. Pelvic
A: Retrocecal
Answer: A: Retrocecal 
Explanation: None