Pancreatic Tumor (IMAGE) Massachusetts Institute of Technology Caption Caption:In this pancreatic tumor, T cells (pink) have infiltrated tumor cells (labeled green) following treatment with a novel combination immunotherapy developed by MIT researchers. Credit William Freed-Pastor Usage Restrictions No restrictions. License Public Domain 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.