This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Kidney), Subject name: Pathology
[{'content': 'Most common malignant tumor of kidney: \nSelect and explain. \nA. Papillary carcinoma, B. Papillary adenoma, C. Renal cell CA, D. Wilms tumor', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Renal cell CARef: Robbins 9th ed. 1952* Robbins 9th ed. States: "by far the most common malignant tumor is renal cell carcinoma, followed by Wilms tumor, which is found in children.* Incidence of RCC is: 85%* M > F (2:1)* Most of the RCC are sporadio AD (familial)Must KnowKIDNEY CA (extract from Robbins 9th ed)* MC benign tumor of kidney: Renal papillay adenoma* MC malignant tumor of kidney: RCC > Wilms tumor* MC kidney tumor associated with tuberous sclerosis: Angiomyolipoma* MC type of RCC: Clear cell CA (70 - 80%)* MC type of renal CA associated with dialysis: Papillary CA* MC renal CA associated with sicke cell trait: Medullary CA* Renal CA having best prognosis: Chromophobe I', 'role': 'assistant'}]