New cancer tools allow patients to reconsider chemo

By Deena Beasley LOS ANGELES (Reuters) – After decades of using one-size-fits-all therapies to combat cancer, doctors are using new tools to help decide when their patients can skip chemotherapy or other harsh treatments. An approach to oncology that has been in place for decades is beginning to yield to an arsenal of long-term clinical studies, genetic tests and novel drugs that target cancer cells and their infrastructure. …