Azayliah "Zay" Perez plays with best friend Tavia Cailing during lunch on a half-day at school on Thursday, Feb. 13, 2014, at Kellond Elementary School, 6606 E. Lehigh Dr., in Tucson, Ariz. Zay is approaching one year in remission from her last relapse of leukemia. Photo by Mike Christy / Arizona Daily Star

Mike Christy / Arizona Daily Star