Carcinoma, Hepatocellular

**Definition:** A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested.

**Tree numbers:** - C04.557.470.200.025.255 - C04.588.274.623.160 - C06.301.623.160 - C06.552.697.160

**Synonyms:** - Hepatocellular Carcinoma - Hepatoma - Liver Cancer, Adult - Liver Cell Carcinoma - Liver Cell Carcinoma, Adult