Multi-colored Metastasis (IMAGE) University of Pennsylvania School of Medicine Caption This is a multi-colored metastasis in the peritoneal lining of the abdomen comprised of red and yellow fluorescent cells demonstrating that pancreatic cancer spreads through interactions between different groups of cells. Credit Ravi Maddipati , MD, Perelman School of Medicine, University of Pennsylvania 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.