<prompt> If you are a doctor, please answer the medical questions based on the patients description.hello..i have a bit pain in the middle right side of my stomach.So i did a Ultrasound of the whole abdomen and the finding are: bilateral mild nephromegaly with mild dilation of the pelvicalyceal system of the right kidney and mildly enlarged prostrate.  <response>: HI. Since the prostate is at the base of the urethra, the obstruction caused by an enlarged prostate can cause back-pressure to cause reflux of the urine from the urinary bladder to the ureters and up to the kidneys causing the changes you have seen in the ultrasonography. I would suggest such a patient the following. To get a consultation of a Urologist Surgeon for physical examination of the prostate by per-anal palpation by a finger to ascertain the size, consistency, tenderness and all relevant examination.PSA and all other blood tests including kidney function tests and sugar. Urine -routine, microscopy, culture and sensitivity tests. If Cancer is suspected a core-biopsy may be needed as also Orchidectomy. Prostatectomy as a treatment and as a specimen for biopsy. This should solve your problem. 