Source: University of California-SanDiego From: eurekalert.org After 10 years in remission, Derek Ruff’s cancer returned, this time as stage IV colon cancer. Despite aggressive rounds of chemotherapy, palliative radiotherapy and immunotherapy, his disease progressed. In February 2019, as part of a phase I clinical trial at Moores Cancer Center at UC San Diego Health, Ruff became the first patient in …