When Willow, an active, healthy five-year-old began experiencing unusual symptoms like decreased appetite and fatigue, her mother, Valerie, didn’t assume the worst. But after her bloodwork came back abnormal – showing a critically low platelet count – Valerie’s concerns grew. It was around midnight the following day when a medical team from Children’s National Hospital in DC delivered the news that Willow had acute lymphoblastic leukemia (ALL).