Findings: A well-defined heterogeneous, predominantly cystic lesion measuring approximately 3.8 x 4.9 cm is seen at the medial aspect of mid pole of right kidney. Multiple thick enhancing septae are seen in the lesion. No calcifications or focal solid component is seen in the lesion. Renal vessels and IVC are patent and well opacified. No significant locoregional lymphadenopathy or distant metastases are noted. A small non-enhancing hypodense lesion measuring approximately 7 mm is seen in segment 8 of the liver which is likely a hepatic cyst. Impression: Bosniak type III right renal lesion.