### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
hi sir i am a medical student. i am now 23 i am a patient of posterior urethral valve ,and i had underwent valve abalation in my new born period.now for 6 months i had joint pain in my both knees . for that i had underwent full health check up. i was shocked when i came to know that my left side kidney is not visualised by ultrasound. my one kindney right side had underwent hypertrophy. my residual urine is40 ml. i have hb level more than 14.5 gm/dl. my uric acid level 6.8gm/dl. urea 30 mg/dl. creatininebin serum 1.0 gm /dl . i had mild pelvic calycix dilataton in my right side kidney. some times i have to give presure for my regular urination i had 2 attacks of u,t,i,i am now depressed now. pls help me to know about my life span .is there any way which protect me from knee joint pain and renal failure pls reply

### output:

Hi, Welcome to Chat Doctor forum.  You had a problem with your urethra in the childhood means you have got some congenital problem regarding the urinary system. So for it is compensated, so you need not worry about the coming life, if you maintain a healthy kidney, it will be enough for the rest of the life.  In HY Chat Doctor.  The main thing here is the genital system, the testis, epididymis, etc. I advise you to consult a urologist, for diagnosis.  Don't worry you will be fine but get it confirmed. Thank you.