Precursor Cell Lymphoblastic Leukemia-LymphomaPrecursor B-Cell Lymphoblastic Leukemia-LymphomaPrecursor T-Cell Lymphoblastic Leukemia-LymphomaLeukemia, LymphoidAsparaginaseLeukemiaLeukemia-Lymphoma, Adult T-CellLeukemia, Myeloid, AcuteGene Expression Regulation, LeukemicBurkitt LymphomaRemission InductionNeoplasm, ResidualPhiladelphia Chromosome6-MercaptopurineTranslocation, GeneticMethotrexateMyeloid-Lymphoid Leukemia ProteinLeukemia, B-CellCore Binding Factor Alpha 2 SubunitGene RearrangementBone MarrowRecurrenceVincristineKaryotypingLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Lymphocytic, Chronic, B-CellLeukemic InfiltrationIkaros Transcription FactorFusion Proteins, bcr-ablOncogene Proteins, FusionImmunophenotypingLeukemia, T-CellAntineoplastic Combined Chemotherapy ProtocolsCytarabinePrognosisDaunorubicinLeukemia, ExperimentalNeprilysinDisease-Free SurvivalCranial IrradiationTreatment OutcomeChromosomes, Human, Pair 12Antineoplastic AgentsLeukemia, Biphenotypic, AcuteReceptor, Notch1PrednisoneBlast CrisisChromosome AberrationsChromosomes, Human, Pair 21Antigens, CD19Drug Resistance, NeoplasmBone Marrow TransplantationChromosomes, Human, Pair 11DNA, NeoplasmChromosomes, Human, Pair 9Neoplasm ProteinsB-LymphocytesTransplantation, HomologousAntigens, NeoplasmAcute DiseaseInjections, SpinalAntimetabolites, AntineoplasticDexamethasonePrecursor Cells, B-LymphoidSurvival AnalysisSurvival RateLeukemia Virus, MurineGenes, ablTumor Cells, CulturedFlow CytometryGene Rearrangement, T-LymphocyteNeoplastic Stem CellsPolymerase Chain ReactionLeukemia, Monocytic, AcuteBenzamidesThioguaninePyrimidinesCentral Nervous System NeoplasmsPloidiesBase SequenceHematopoietic Stem Cell TransplantationLeukocyte CountCell Line, TumorCombined Modality TherapyCytogeneticsCytogenetic AnalysisPrednisolonePiperazinesTime FactorsPolyglutamic AcidProto-Oncogene Proteins c-etsMolecular Sequence DataMice, SCIDChromosomes, Human, Pair 4LymphomaLeukemia, Radiation-InducedProto-Oncogene ProteinsChromosome DisordersArabinonucleosidesApoptosis