Meet Garrison Garrison Coats 2 years old Diagnosis: Garrison was found to have Ewing sarcoma in 2006. Garrison's story: Garrison Coats was all boy – he loved playing with his dog Red Rock, had lots of energy and liked hanging out with his cousins. In July 2006, he got sick with what doctors thought was pneumonia. But Garrison stayed sick, and that’s how his mother, Amanda, realized something more serious was happening to her once lively little boy. It was during a visit to the hospital that doctors found a large tumor in his chest.