I am 25 now. My left kidney is 85% and small.in active. Right kidney is fully active normal size and modern hydronephrosis seen through out last 6 years in several check up.in ultrasound. Uria Creatine also normal. No protein in urine. 6 years ago post void urine is 180 ml. But now it is 60 ml. 60 ml post void is normal? Such hydronephrosis is harmful for my right kidney? No vur no blockage seen in right one. Bt hydronephrosis is not reduce. I take dynapres .04 daily. Please sir tell me 60 ml post void is normal. ?and such hydronephrosis is harmful for my right one.