Black vs White ER+ and ER- Breast Cancer (IMAGE) University of Chicago Medical Center Caption Polygenic Risk Scores for ER+ and ER- Breast Cancer are shown. Credit Study authors 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.