Leukemia, Myelomonocytic, ChronicMyelodysplastic SyndromesMyeloproliferative DisordersLeukemia, Myelomonocytic, JuvenilePrecursor Cell Lymphoblastic Leukemia-LymphomaJanus Kinase 2Leukemia, Myelomonocytic, AcuteLeukemia, Myeloid, AcuteAnemia, RefractoryMyelodysplastic-Myeloproliferative DiseasesLeukemiaPrimary MyelofibrosisLeukemia, MyeloidPolycythemia VeraThrombocythemia, EssentialBone MarrowKaryotypingLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeLeukemia, LymphoidLeukemia, Myelogenous, Chronic, BCR-ABL PositivePrecursor B-Cell Lymphoblastic Leukemia-LymphomaPatient Outcome AssessmentMutationCore Binding Factor Alpha 2 SubunitAzacitidinePrognosisPrecursor T-Cell Lymphoblastic Leukemia-LymphomaBone Marrow NeoplasmsAsparaginaseReceptors, ThrombopoietinTranslocation, GeneticAnemia, Refractory, with Excess of BlastsBone Marrow ExaminationChromosome AberrationsChromosomes, Human, Pair 7Oncogene Proteins, Fusionfms-Like Tyrosine Kinase 3ScleromyxedemaGene Expression Regulation, LeukemicPhiladelphia ChromosomeHematopoietic Stem CellsAntimetabolites, AntineoplasticThrombocytosisMucinosis, FollicularAnemia, SideroblasticRemission InductionLeukemia-Lymphoma, Adult T-CellDNA Mutational AnalysisSyndromeTreatment OutcomeLeukemia, ExperimentalCell Transformation, NeoplasticProto-Oncogene ProteinsBone Marrow DiseasesLeukemia, Lymphocytic, Chronic, B-CellGenes, rasLeukemia, Monocytic, AcuteAcute DiseaseReceptor, Platelet-Derived Growth Factor betaProto-Oncogene Proteins c-cblFusion Proteins, bcr-ablSurvival AnalysisBone Marrow CellsBlast CrisisSurvival RateBurkitt LymphomaAntineoplastic AgentsDNA-Binding ProteinsImmunophenotypingChromosomes, Human, Pair 5Disease ProgressionErythrocyte TransfusionNeoplasm, ResidualMyeloid-Lymphoid Leukemia ProteinCytarabineLeukemia, B-CellGene RearrangementPreleukemiaRecurrence6-MercaptopurineHematologic NeoplasmsComparative Genomic HybridizationBone Marrow TransplantationSplenomegalyMonocytesKaplan-Meier EstimateAntineoplastic Combined Chemotherapy ProtocolsMethotrexateLeukemia, T-CellHematopoietic Stem Cell TransplantationFlow CytometryCytogenetic AnalysisNuclear ProteinsCytogeneticsNeoplasms, Second PrimaryPolymerase Chain ReactionVincristineBase SequenceDisease-Free SurvivalTransplantation, Homologous