This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney & Ureturs, Subject name: Surgery
[{'content': 'Which of the following can invade the IVC? \nSelect and explain. \nA. Renal cell carcinoma, B. Breast cancer, C. Bladder cancer, D. Head of pancreas cancer', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Renal cell cancerRef. Campbell-Walsh Urology, 11th Edition, Pages 1337-38* Renal Cell Cancer invade the IVC and best evaluated by MRI', 'role': 'assistant'}]