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
All are component of saint's triad Except - 
Select and explain. 
A. Renal Stones, B. Hiatus hernia, C. Diverticulosis coli, D. Gall stones
A: Renal Stones
Answer: A: Renal Stones 
Explanation: None