Mouse colorectal tumor (IMAGE) Rockefeller University Caption A mouse colon, with red blood vessels and blue epithelial cells. 𝛄𝛅 T cells (green) surrounding the colorectal tumor in the center of the image. Credit Laboratory of Mucosal Immunology at The Rockefeller University Usage Restrictions Image may be used to illustrate research described in the accompanying 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.