Fig. 4
From: Collateral circulation caused by end-stage hepatic alveolar echinococcosis
collateral vessels of the inferior vena cava: A vertebral venous plexus vessel shown by arrow. B Lumbar ascending vein shown by arrow C schematic representation of the collateral vessels of the inferior vena cava. D No reconstruction of the inferior vena cava. The hepatic vein is anastomosed end-to-end to the superior and inferior vena cava as indicated by the arrow