Left kidney shows normal corticomedullary differentiation. There is urothelial thickening in the lower calyces. There is a well-defined parenchymal collection with internal echoes in the lower pole. It measures about 18 x 15 x 13 mm. There is breach in lower polar renal cortex; and local extra-renal parenchymal extension of this collection. There is no calculus, back pressure changes, or solid parenchymal lesion.
Right kidey is normal. Urinary bladder is normal.