Bradley Downs, Johns Hopkins Medicine (IMAGE) Johns Hopkins Medicine Caption Investigator Bradley Downs assembling cartridge assay that distinguishes cancer from benign aspirates from mammographically suspicious breast lesions. Credit Wanjun Ding 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.