We have retrospectively analyzed the blood and bone marrow of a child who presented with aplastic anemia 9 months before the development of ETV6-RUNX1 fusion gene positive ALL.     ///    "Retrospective analysis of aplastic phase bone marrow showed that the ETV6-RUNX1 fusion was present along with all of the additional genetic changes assessed, albeit subclonal to ETV6-RUNX1. "