In this photo taken Aug. 27, 2015, John Jay Hooker shows a melanoma spot that has shrunk since starting treatment at Tennessee Oncology in Nashville, Tenn. “It’s transformed my life in the sense that when I first got the news that I had only six months to live, it was a jolt,” he said. “But now that I have sort of shifted gears I feel it’s an honor to have the credentials to get into this fight.” (AP Photo/David Goldman)