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
[{'content': 'IVP should be cautiously performed in: \nSelect and explain. \nA. Multiple myeloma, B. Bone secondaries, C. Neuroblastoma, D. Leukemia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Multiple myeloma', 'role': 'assistant'}]