Liver Cells (IMAGE) University of California - San Diego Caption UC San Diego School of Medicine researchers developed a mathematical equation to predict when healthy liver cells become cancerous before tumors are visible in a standard clinical setting. Credit UC San Diego Health Sciences Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.