This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Medicine
[{'content': 'Bellini duct cancer is seen in which of the following? \nSelect and explain. \nA. Liver, B. Kidney, C. Hea, D. Spleen', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Bellini duct cancer is an aggressive variant of Renal Cell Cancer (RCC) MC Benign tumor of kidney; ONCOCYTOMA MC Malignant tumor of kidney: Clear Cell Cancer MC Aggressive tumor of kidney: Bellini duct (Collecting Duct Cancer)', 'role': 'assistant'}]