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Zachary Tyrrell, 8, views paintings made by family, friends, cancer survivors and cancer patients during the eighth annual Oncology on Canvas event at the Tripler Army Medical Center April 12, 2014, in Honolulu. Zachary was able to paint with his sister, Haley Tyrrell, 10, who was diagnosed with cancer when she was 5 years old. (U.S. Air Force photo by Staff Sgt. Christopher Hubenthal)
