IL3RA is expressed at high levels in ≈80% of acute myeloid leukemias (AML) [1,2,5], 59–100% of classical Hodgkin lymphomas (cHL), and the majority of blastic plasmacytoid dendritic cell neoplasms (BPDCN) [6,7,8,9,10]. The gene discussed is IL3RA; the disease is acute myeloid leukemia.