Leukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidLeukemiaPrecursor Cell Lymphoblastic Leukemia-LymphomaLeukemia, Myeloid, AcuteVidarabineLeukemia, B-CellGene Expression Regulation, LeukemicZAP-70 Protein-Tyrosine KinaseB-LymphocytesChlorambucilImmunoglobulin Heavy ChainsReceptors, Antigen, B-CellCladribineAntigens, CD5Leukemia, Hairy CellLeukemia, Myelogenous, Chronic, BCR-ABL PositiveAntigens, CD38Leukemic InfiltrationLeukemia, T-CellImmunoglobulin Variable RegionAntineoplastic AgentsLeukemia, ExperimentalBone MarrowPrognosisAntibodies, Monoclonal, Murine-DerivedRemission InductionChromosomes, Human, Pair 13AsparaginaseLeukemia, Biphenotypic, AcuteLeukemia, Prolymphocytic, T-CellPrecursor B-Cell Lymphoblastic Leukemia-LymphomaLymphomaAntibodies, MonoclonalAntibodies, NeoplasmGenes, Immunoglobulin Heavy ChainChromosome AberrationsLymphocytesFlow CytometryTumor Cells, CulturedLymphocytosisAntineoplastic Combined Chemotherapy ProtocolsImmunophenotypingCytarabineLeukemia Virus, MurineDNA, NeoplasmLymphocytes, NullLeukemia-Lymphoma, Adult T-CellKaryotypingMethotrexateVincristineApoptosisRemission, SpontaneousT-LymphocytesMyeloid Cell Leukemia Sequence 1 ProteinAntigens, CD20Neoplasm ProteinsLeukemia, ProlymphocyticVidarabine PhosphateBurkitt LymphomaMutationPentostatinRosette FormationDrug Resistance, Neoplasm6-MercaptopurineAntigens, CD19CyclophosphamideGenes, ImmunoglobulinAntigens, NeoplasmTreatment OutcomeGene Rearrangement, B-Lymphocyte, Heavy ChainTrisomyChromosomes, Human, Pair 12Antigens, CDChromosomes, Human, 6-12 and XChromosomes, Human, Pair 11RecurrenceSurvival AnalysisProto-Oncogene Proteins c-bcl-2Lymphoma, B-CellIn Situ Hybridization, FluorescenceSomatic Hypermutation, ImmunoglobulinLeukemia, Monocytic, AcutePhiladelphia ChromosomeLymphoma, Non-HodgkinLymphoma, Mantle-CellChromosomes, Human, Pair 14Survival RateLeukemia, Large Granular LymphocyticBase SequenceAcute DiseaseNitrogen Mustard CompoundsLeukemia L1210Translocation, GeneticLeukemia, Radiation-InducedMoloney murine leukemia virusNeoplasm, ResidualAntigens, SurfaceFusion Proteins, bcr-ablMolecular Sequence Data