If you have been diagnosed with cancer, consider Seattle Cancer Care Alliance for your treatment. We are one of only dozen locations in the U.S. that offer Proton Therapy treatments. Proton Therapy is a targeted radiation regimen that focuses on a tumor. Proton Therapy is easier on the patient than standard radiation. Since Proton Therapy was approved by the FDA since 1988, this treatment has been used and improved. SCCA has used Proton Therapy since 2013. read full review »