A T cell killing a cancer cell (IMAGE) University of Pittsburgh Caption A T cell killing a cancer cell Credit Andrew Frisch and Donna Stolz, University of Pittsburgh Center for Biologic Imaging Usage Restrictions For use only in reporting on the research detailed in this press release License Original 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.