Most common cause of renal tumor in adult is?: (A) Family history, (B) Smoking, (C) Obesity, (D) Hypeension
Answer is B. Answer- B. SmokingImpoant risk factors for RCC are smoking (most significant), obesity, hypeension, asbestos exposure, estrogen therapy, CRF, tuberous sclerosis and familial conditions (Von Hippel-Lindau syndrome).