The Checkmate, Cancer! team.Karafin at the 2005 PCF WalkathonChildhood cancer is the number one cause of non-accidental deaths among children, with 12,000 diagnoses each year. Elona Karafin, a 19-year-old Bensonhurst native, has started ”Checkmate, Cancer!”, a team participating in the annual Pediatric Cancer Foundation (PCF) walkathon, in