P406: ENHANCED SIGNIFICANCE OF FLT3-ITD RESIDUAL DISEASE DETECTION ON TREATMENT OUTCOME IN ACUTE MYELOID LEUKEMIA - T. Grob; M. Sanders; C. Vonk; F. Kavelaars; M. Rijken; D. Hanekamp; P. Gradowska; J. Cloos; Y. Fløisand; M. V. Marwijk Kooy; M. Manz; G. Ossenkoppele; et al. (HemaSphere, 2022)