All vascular and bile duct invasions were recorded separately according to the vessels invaded (i.e. portal vein, hepatic artery, hepatic vein, and bile duct). Microvascular invasion was defined ...

Not every organ in the body does, but the liver has a portal vein blood supply and a hepatic artery blood supply. So the portal vein feeds the normal liver; the hepatic artery feeds the metastases.

Each segment is supported by a portal pedicle, which contains branches of the portal vein, hepatic artery, and bile duct, and is drained by a major tributary of the hepatic vein. Connective tissue ...