text: <unk><unk>  is a rare disease that tends to affect the pediatric population and individuals in the 5th - 6th decades. In the pediatric population, males are more commonly affected with<unk><unk>  than females. In adulthood, females are more commonly affected with<unk><unk>  than males.
option_0: Cystic nephroma epidemiology and demographics
option_1: Mesoblastic nephroma epidemiology and demographics
option_2: Horseshoe kidney epidemiology and demographics
option_3: Mesoblastic nephroma pathophysiology
option_4: Mesoblastic nephroma classification
option_5: Renal oncocytoma pathophysiology
option_6: Renal papillary necrosis epidemiology and demographics
option_7: Renal artery stenosis epidemiology and demographics