The liver has a dual blood supply derived from the portal vein and the hepatic artery. About 75% of that blood flow comes ...

between the portal and hepatic veins in the cirrhotic livers ... This was accompanied by an increase in hepatic-artery flow, thus maintaining total inflow to the liver at preoperative levels.

Based on the TNM classification [21]. HA: Hepatic artery; PV: Portal vein. • T1: Tumor confined to the bile duct, with extension up to the muscle layer or fibrous tissue • T2a: Tumor invades ...