Unstained Tissue (IMAGE) Osaka University Caption A terahertz image of unstained tissue (top) compared with the same tissue after staining with H&E (bottom). In the stained image, the ductal carcinoma in situ (DCIS) and invasive ductal carcinoma (IDC) compartments are highlighted by red and blue dotted lines, respectively. Credit Osaka University 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.