question: 2 weeks ago i have difficulty in passing urine so i concern doctor who advised me for my kidneys ultrasound, my report is:BOTH KIDNEYS:normal in size,shape and texture corticomedullary distinction intact 2-3 small calculi seen in calyces measuring 0.3 cm right kidney show fullness of pelvicalyces left kidney show mild fullness of calyces no perinephric fluid collection seen URINARY BLADDER:mild thick walled no calculus or growth seen in lumen at scan time.please explain me my disease and also please tell me the good doctor in karachi for kidney problems.