Fibrotic scar tissue (red) in a diseased liver. (IMAGE) Vrije Universiteit Brussel Caption Fibrotic scar tissue (red) in a diseased liver. Credit © Vincent De Smet Usage Restrictions cite author License Original 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.