Budd-Chiari syndrome (BCS) is a group of rare conditions in which veins in the liver become blocked. An ultrasound for BCS may show atypical, narrowed, or potentially blocked veins inside the liver.

Portal vein blood contains nutrients and toxins extracted from digested contents, which the liver filters and processes.

Liver resection is recommended to treat some types of cancer originating in the liver (hepatocellular cancer, bile duct cancer, and gallbladder cancer), and occasionally benign liver tumors that are ...