The portal vein (PV) (sometimes referred to as the main or hepatic portal vein) is the main vessel in the portal venous system and drains blood from the gastrointestinal tract and spleen to the liver. Article: Gross anatomy. Variant anatomy.What is portal vein tumor?
Portal Vein Thrombosis is blood clotting inside the vein; it is not cancer per se. If your father has a Portal Vein Tumor, that is different and may be why your doctors aren't mentioning treatment with Warafin. Warafin is merely a blood thinner and the Portal Vein supplies 75% of the blood through the liver.