accessory right inferior hepatic vein
An accessory right inferior hepatic vein is the most common variation of the hepatic veins. It is present in up to 48% of the population and drains the posterior part of the right lobe (mainly segments 6 and 7) directly into the inferior vena cava (IVC).
Variations in hepatic vascular anatomy are particularly important in the setting of liver surgery, transplantation and radiological intervention.
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