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
IVP is contraindicated in – 
Select and explain. 
A. Multiple myeloma, B. Kidney stones, C. Renal cyst, D. Transplanted kidney
A: Multiple myeloma
Answer: A: Multiple myeloma 
Explanation: Multiple myeloma is a relative contraindication for IVP.