Precursor Cell Lymphoblastic Leukemia-LymphomaLeukemia, LymphoidLeukemiaLeukemia, Lymphocytic, Chronic, B-CellLeukemia, Myeloid, AcutePrecursor B-Cell Lymphoblastic Leukemia-LymphomaAsparaginasePrecursor T-Cell Lymphoblastic Leukemia-LymphomaLeukemia-Lymphoma, Adult T-CellGene Expression Regulation, LeukemicRemission InductionLeukemia, B-CellLeukemia, Myelogenous, Chronic, BCR-ABL PositiveBurkitt LymphomaPhiladelphia Chromosome6-MercaptopurineCytarabineMethotrexateLeukemia, T-CellLeukemia, ExperimentalBone MarrowVincristineLeukemic InfiltrationDaunorubicinNeoplasm, ResidualKaryotypingPrognosisTranslocation, GeneticLeukemia, Biphenotypic, AcuteAntineoplastic Combined Chemotherapy ProtocolsMyeloid-Lymphoid Leukemia ProteinRecurrenceAntineoplastic AgentsFusion Proteins, bcr-ablAcute DiseaseLeukemia Virus, MurineImmunophenotypingB-LymphocytesTreatment OutcomeCore Binding Factor Alpha 2 SubunitLeukemia, Monocytic, AcuteChromosome AberrationsGene RearrangementRemission, SpontaneousPrednisoneIncidenceDNA, NeoplasmNeprilysinLeukemia, MyeloidLeukemia, Hairy CellDisease-Free SurvivalBone Marrow TransplantationDrug Resistance, NeoplasmSurvival AnalysisNeoplasm ProteinsLymphomaBlast CrisisVidarabineSurvival RateTumor Cells, CulturedImmunoglobulin Heavy ChainsAntigens, NeoplasmOncogene Proteins, FusionFlow CytometryChromosomes, Human, Pair 12Transplantation, HomologousCytogenetic AnalysisIkaros Transcription FactorMoloney murine leukemia virusDexamethasoneLeukemia, Radiation-InducedCyclophosphamideTime FactorsLeukemia L1210Base SequenceChromosomes, Human, Pair 9Antigens, CD19T-LymphocytesLymphocytesCyclin-Dependent Kinase Inhibitor p15MutationReceptors, Antigen, B-CellPolymerase Chain ReactionChromosomes, Human, Pair 11Leukemia Virus, BovineMolecular Sequence DataLeukemia Virus, FelineRisk FactorsAntibodies, MonoclonalDNA NucleotidylexotransferaseCytogeneticsCell Line, TumorReceptor, Notch1Cranial IrradiationRosette FormationApoptosisLymphocytes, NullChromosomes, Human, Pair 21Chromosomes, Human, Pair 14Drug Administration Schedule