City of Hope | Colton provides the community with cancer care and innovative treatments close to home. With locations across Los Angeles, Ventura, Riverside and San Bernardino counties, our community practice sites bring City of Hope's expert care and leading-edge treatment to your neighborhood. Patients also have access to various City of Hope clinical trials, in which our doctors and researchers investigate the newest ways to detect, treat and prevent disease. Our nationally recognized experts treat blood cancers, as well as disorders relating to blood and tissues. With ongoing research and groundbreaking clinical trials, City of Hope offers treatment plans with the most innovative therapies available anywhere.