Tumorigenesis of Colorectal Cancer Cells (IMAGE) Hokkaido University Caption Tumorigenesis of colorectal cancer cells (CT26, red) were significantly reduced in mice liver tissue lacking IL-6 (Il6-/-), suggesting IL-6's supportive function on metastasis. Credit Toyoshima Y. et al., Cancer Immunology Research. December 1, 2019 Usage Restrictions These images are copyrighted and can be used for reporting this research work without obtaining a permission if credited as instructed. 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.