Aggressive Uveal Melanoma (IMAGE) Washington University School of Medicine Caption A look at aggressive uveal melanoma cells under the microscope. These tumor calls carry the so-called "class 2 signature," meaning they are likely to be aggressive and spread outside of the eye. Credit J William Harbour, MD Usage Restrictions Appropriate caption and credit required 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.