84-year-old male with history of left renal mass. Evaluate for invasion into left renal vein. ABDOMEN:LIVER, BILIARY TRACT: Small gallstone in the dependent lower gallbladder body. No intra or extra hepatic biliary ductal dilatation. No suspicious parenchymal lesion. Susceptibility artifact related to the known calcified granulomas of the right hepatic lobe (axial series 11 images 100, 142).SPLEEN: No significant abnormality noted.PANCREAS: No pancreatic ductal dilatation.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: Small T1 hyperintense cysts and simple T2 hyperintense cysts of the right kidney. There is mild wall thickening of the lateral aspect of a subcentimeter cyst of the right lower renal pole (series 10012 image 325). No hydronephrosis.Large predominately peripherally enhancing and centrally necrotic lesion of the anterior left mid/lower renal pole measuring 7.7 x 5 cm (series 12 image 112) with expansion and invasion of the lateral-most aspect of the left renal vein (series 12 image 169).Stable large simple cyst of the left lower renal pole. Additional small T1 hyperintense cysts of the left kidney are also seen.RETROPERITONEUM, LYMPH NODES: No enlarged retroperitoneal lymph nodes.BOWEL, MESENTERY: No significant abnormality noted.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
1.Large enhancing mass of the anterior left mid/lower renal pole with expansion and invasion of the lateral most aspect of the left renal vein.2.There is mild wall thickening of the lateral aspect of a subcentimeter cyst of the right lower renal pole. Attention on follow-up imaging is recommended. 