Myelodysplastic SyndromesMyeloproliferative DisordersPrecursor Cell Lymphoblastic Leukemia-LymphomaJanus Kinase 2Primary MyelofibrosisMyelodysplastic-Myeloproliferative DiseasesPolycythemia VeraThrombocythemia, EssentialLeukemia, Myeloid, AcuteAnemia, RefractoryPrecursor B-Cell Lymphoblastic Leukemia-LymphomaLeukemia, Myelomonocytic, ChronicLeukemiaBone Marrow NeoplasmsLeukemia, LymphoidPrecursor T-Cell Lymphoblastic Leukemia-LymphomaReceptors, ThrombopoietinAsparaginaseAnemia, Refractory, with Excess of BlastsBone MarrowPhiladelphia ChromosomeThrombocytosisSyndromeLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeLeukemia, MyeloidLeukemia-Lymphoma, Adult T-CellLeukemia, Myelogenous, Chronic, BCR-ABL PositiveKaryotypingGene Expression Regulation, LeukemicRemission InductionMutationPrognosisLeukemia, Myelomonocytic, JuvenileTranslocation, GeneticTreatment OutcomeBlast CrisisChromosome AberrationsAnemia, SideroblasticBurkitt LymphomaCore Binding Factor Alpha 2 SubunitFusion Proteins, bcr-ablChromosomes, Human, Pair 5Neoplasm, ResidualHematopoietic Stem CellsHematologic NeoplasmsAntineoplastic AgentsRecurrence6-MercaptopurineOncogene Proteins, FusionCytarabineSplenomegalyImmunophenotypingPreleukemiaMethotrexateProto-Oncogene Proteins c-cblAcute DiseaseMyeloid-Lymphoid Leukemia ProteinAntineoplastic Combined Chemotherapy ProtocolsLeukemia, B-CellGene RearrangementAzacitidineBone Marrow DiseasesBone Marrow CellsCytogenetic AnalysisClinical Trials as TopicDNA Mutational AnalysisVincristineAntimetabolites, AntineoplasticDisease-Free SurvivalNeoplasms, Second PrimaryMonosomyBone Marrow TransplantationLeukemia, Lymphocytic, Chronic, B-CellCell Transformation, NeoplasticSurvival AnalysisHematopoietic Stem Cell TransplantationChromosomes, Human, Pair 7Transplantation, HomologousCytogeneticsJanus KinasesHematologySurvival RateProto-Oncogene ProteinsLeukemic InfiltrationPancytopeniaClonal EvolutionChromosomes, Human, Pair 21DaunorubicinLeukemia, ExperimentalChromosomes, Human, Pair 12STAT5 Transcription FactorIkaros Transcription FactorPolymerase Chain ReactionLeukemia, T-CellMyeloid Progenitor CellsFlow CytometryDisease ProgressionChromosome DeletionThalidomideProtein Kinase Inhibitors