USH whole addomen, urinary bladder is distended, wall thickness is normal, no calculus is seen. Pre void bladder volume 166cc, post void residual urine 94cc Prostate is enlarged in size and measure 5.5*5.5*5.4 cm, volume is 84 cc, mild haterogeneous in echo texture, median lobe projecting into bladder base. no free fluid is seen in the abdomen. Impression protaomegaly with significant post void residual urine.