Axial contrast-enhanced CT in portal venous phase: retroperitoneal mass with infiltrative and spiculated appearance. Renal vein, renal arteries and inferior cava vein are stenosed. Portosystemic collateral pathways in the hypogastrium are noted. Ureter retraction and mild left hydronephrosis are also present.
Multiple round shaped cortical nodules, nonexpansive and hypovascular in this phase.
Hypodense lesion in the spleen of fluid density, confirmed to be a simple cyst by ultrasound.