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

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 ...

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 ...