Get latest articles and stories on Science at LatestLY. Hepatocellular carcinoma (HCC), the most common type of liver cancer, is already the third leading cause of cancer-related deaths worldwide and cases are on the rise in both the United States and around the world. While chemotherapy, surgery, and liver transplants can benefit some patients, targeted treatments for HCC have the potential to save millions more lives. Science News | Study Finds Liver Cancer, Potential Target Circadian Clock Proteins Inside Cells.