Cancer cell movement (IMAGE) Virginia Tech Caption Just four days after the cancer cells, tagged in red, were implanted in the fish's trunk, they became elongated and started traveling toward the brain. Credit Robyn Umans/Virginia Tech 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.