Rodney Bearfoot (IMAGE) University of Colorado Anschutz Medical Campus Caption Bearfoot, who was diagnosed with stage IV colorectal cancer in 2008, shows stable disease after three years and counting on atezolizumab. Credit University of Colorado Cancer Center 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.