Figure 2From: Inferior vena cava prosthetic replacement in a patient with horseshoe kidney and metastatic testicular tumor: technical considerations and review of the literature Horseshoe kidney and cava vein. The retroperitoneal mass, of diameter of about 6 cm, was infiltrating the psoas muscle and also the lateral wall of the cava vein that was interested in full-thickness to about 5 cm of extension, from its portion below the isthmus renal up to 3-4 cm from the ileo-caval confluence.Back to article page