Jeff Mortimer was 16 years old when he was diagnosed with spindle cell sarcoma – a form of muscle cancer in his left shoulder. Now, after three years of radiation therapy and chemo, he’s battling a relapse. But the teen from West Palm Beach, Florida, insists cancer won’t slow him down.
“I don’t worry about what I’m going through,” Mortimer told ABC News. “When I see what people really go through, it made me want to work harder to push forward.”