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: Radiology
Bilateral spider leg sign on IVP is suggestive of: 
Select and explain. 
A. Polycystic kidney, B. Hydronephrosis, C. Hypernephroma, D. Renal stones
A: Polycystic kidney
Answer: A: Polycystic kidney 
Explanation: Ans. Polycystic kidney