Breast Tissue Staining (IMAGE) University of Birmingham Caption High Grade Ductal Carcinoma In Situ (DCIS) and normal breast stained for PRH (red) are pictured. Credit University of Birmingham 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.