Dr. Peggi Angel (IMAGE) Medical University of South Carolina Caption Dr. Peggi Angel invented a new imaging technique that shows where collagen changes are happening in breast cancer tissues, which can help lead to a more targeted treatment approach for patients. Credit Medical University of South Carolina Usage Restrictions Image may only be used with appropriate caption and credit. 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.