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-MercaptopurineCytarabineLeukemia, T-CellLeukemia, ExperimentalMethotrexateBone MarrowVincristineLeukemic InfiltrationDaunorubicinNeoplasm, ResidualKaryotypingPrognosisTranslocation, GeneticLeukemia, Biphenotypic, AcuteAntineoplastic Combined Chemotherapy ProtocolsMyeloid-Lymphoid Leukemia ProteinAntineoplastic AgentsRecurrenceFusion Proteins, bcr-ablAcute DiseaseLeukemia Virus, MurineImmunophenotypingB-LymphocytesCore Binding Factor Alpha 2 SubunitLeukemia, Monocytic, AcuteTreatment OutcomeChromosome AberrationsGene RearrangementRemission, SpontaneousPrednisoneDNA, NeoplasmNeprilysinLeukemia, MyeloidLeukemia, Hairy CellDisease-Free SurvivalDrug Resistance, NeoplasmBone Marrow TransplantationNeoplasm ProteinsBlast CrisisVidarabineLymphomaSurvival AnalysisImmunoglobulin Heavy ChainsTumor Cells, CulturedAntigens, NeoplasmOncogene Proteins, FusionSurvival RateFlow CytometryChromosomes, Human, Pair 12Transplantation, HomologousIkaros Transcription FactorCytogenetic AnalysisMoloney murine leukemia virusDexamethasoneCyclophosphamideLeukemia, Radiation-InducedLeukemia L1210Chromosomes, Human, Pair 9Base SequenceAntigens, CD19T-LymphocytesLymphocytesCyclin-Dependent Kinase Inhibitor p15Receptors, Antigen, B-CellMutationChromosomes, Human, Pair 11Polymerase Chain ReactionLeukemia Virus, BovineLeukemia Virus, FelineMolecular Sequence DataDNA NucleotidylexotransferaseAntibodies, MonoclonalCytogeneticsTime FactorsReceptor, Notch1Cell Line, TumorRosette FormationLymphocytes, NullCranial IrradiationApoptosisChromosomes, Human, Pair 21Chromosomes, Human, Pair 14Chromosomes, Human, 6-12 and XAntimetabolites, AntineoplasticThioguanine