Source:http://linkedlifedata.com/resource/umls/id/C0279000
NCI: Primary liver cancer is cancer that forms in the tissues of the liver. Secondary liver cancer is cancer that spreads to the liver from another part of the body.,NCI: A carcinoma that arises from the hepatocytes or intrahepatic bile ducts. The main subtypes are hepatocellular carcinoma (hepatoma) and cholangiocarcinoma.