HIGH FREQUENCY OF LEUKEMIC STEM CELLS IS ASSOCIATED WITH ADVERSE PROGNOSIS IN A BRAZILIAN COHORT OF ACUTE MYELOID LEUKEMIA WITH NORMAL KARYOTYPE G.L. Jacovelli; A.F.O. Costa; L. Marani; M.I.A. Madeira; P.S. Scheucher; F.B. Silva; A.S.G. Lima; B.K. Duarte; K.B. Pagnano; F.R. Kerbauy; J.V.P. Feliciano; M. Higashi; E.C. Nunes; E.M. Fagundes; A.B.F. Gloria; E.M. Rego; F. Traina; L.L. Figueiredo-Pontes;