General Information Also called hepatocellular carcinoma or hepatoma Body's largest internal organ and one of the most complex Weight up to 4 lbs. and is situated in the right upper quadrant of the abdomen Performs numerous biochemical functions such as removing toxins from the blood and produces bile, cholesterol, digestive enzymes and complex proteins Stores glycogen which is converted into glucose Primary cancer is rare in North America: one to two percent of all cancers In Africa and parts of Asia one of the most common malignancies. In Ethiopia, 20% of all malignancies