This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2017, Subject name: Pathology
[{'content': "Loss of 'Y' chromosome is associated with which of the following types of renal cell carcinoma (RCC)? \nSelect and explain. \nA. Clear cell RCC, B. Papillary RCC, C. Chromophobe RCC, D. Collecting duct RCC", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Papillary RCC accounts for 10% to 15% of renal cancers. It is characterized by a papillary growth pattern. The most common cytogenetic abnormalities are:- Trisomies 7 and 17 Loss of Y in male patients in the sporadic form Trisomy 7 in the familial form. These tumors are not associated with 3p deletions.', 'role': 'assistant'}]