What does this ultrasound report means ? There is no significant disparity in the renal sizes. Both show normal echogenecity and configuration, as well as good corticomedullary diffentiation. The right kidney measures 11.0 x 4.4 x 3.6 cm with cortical thickness of 0.8 cm. The right central echo ccomplex is intact. No mass lesions or lithiasis noted. The left kidney measures 9.9 x 4.6 x 4.4 cm with cortical thickness of 0.9 cm. The left central echo complex is intact. No mass lesions or lithiasis noted . The ureters are not visualized. The urinary bladder is physiologically distended with unthickened walls. No intraluminal echoes seen. Pre-void volume =413 cc Post-void volume =2cc IMPRESSION: UNREMARKABLE ULTRASOUND OF THE KIDNEYS AND URINARY BLADDER