Leukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidPrecursor Cell Lymphoblastic Leukemia-LymphomaLeukemiaLeukemia, Myeloid, AcuteLeukemia, B-CellSeverity of Illness IndexLeukemic InfiltrationAsparaginaseLeukemia, T-CellLeukemia, Myelogenous, Chronic, BCR-ABL PositiveVidarabineTreatment OutcomePrecursor B-Cell Lymphoblastic Leukemia-LymphomaLeukemia, Biphenotypic, AcuteB-LymphocytesMethotrexateRemission, SpontaneousBone MarrowLymphocytes, NullPrognosisGene Expression Regulation, LeukemicCytarabineVincristine6-MercaptopurineRemission InductionImmunoglobulin Heavy ChainsLeukemia, ExperimentalLeukemia-Lymphoma, Adult T-CellAcute DiseaseAntineoplastic AgentsRecurrenceTime FactorsReceptors, Antigen, B-CellZAP-70 Protein-Tyrosine KinaseBurkitt LymphomaLymphomaChlorambucilLeukemia, Hairy CellAntineoplastic Combined Chemotherapy ProtocolsRosette FormationQuestionnairesChromosomes, Human, 6-12 and XAnisocoriaRisk FactorsKaryotypingPhiladelphia ChromosomeDNA, NeoplasmCorneal PerforationPlant DiseasesLymphocytesFollow-Up StudiesRetrospective StudiesLeukemia Virus, MurineBlast CrisisBase SequenceGastroparesisDepressionChromosome AberrationsCladribineQuality of LifeTranslocation, GeneticAntigens, NeoplasmTumor Cells, CulturedAntigens, CD5Molecular Sequence DataT-LymphocytesDNA NucleotidylexotransferaseAntibodies, MonoclonalCyclophosphamideAntigens, CD38Fusion Proteins, bcr-ablHeartburnLeukemia, MyeloidProspective StudiesImmunoglobulin Variable RegionDrug Resistance, NeoplasmChromosomes, Human, Pair 14NeprilysinFlow CytometryCase-Control StudiesNeoplasm ProteinsMutationPsychiatric Status Rating ScalesPrednisoneBone Marrow TransplantationDaunorubicinAntigens, SurfaceSurvival AnalysisPrevalenceFatigueDrug Administration ScheduleLeukemia, Prolymphocytic, T-CellProstatic HyperplasiaCyclin-Dependent Kinase Inhibitor p15Plant VirusesPolymerase Chain ReactionAntibodies, Monoclonal, Murine-DerivedSurvival RateLeukemia, Monocytic, Acute