Hodgkin DiseaseLymphoma, Non-HodgkinLymphomaBleomycinLymphoma, B-CellLymphoma, T-CellReed-Sternberg CellsLymphoma, Large B-Cell, DiffuseLymphoma, FollicularBurkitt LymphomaLymphoma, B-Cell, Marginal ZoneLymphoma, Large-Cell, AnaplasticLymphoma, Mantle-CellLymphoma, AIDS-RelatedLymphoma, T-Cell, CutaneousLymphoma, T-Cell, PeripheralAntigens, CD30VincristinePrednisoneHerpesvirus 4, HumanDoxorubicinEpstein-Barr Virus InfectionsLymphoma, Large-Cell, ImmunoblasticAntigens, CD20ProcarbazineAntineoplastic Combined Chemotherapy ProtocolsAntibodies, Monoclonal, Murine-DerivedCyclophosphamideVinblastineB-LymphocytesImmunophenotypingImmunohistochemistryTranslocation, GeneticLymph NodesDacarbazinePrognosisMediastinal NeoplasmsTreatment OutcomeLymphoma, Extranodal NK-T-CellProto-Oncogene Proteins c-bcl-6EtoposideRemission InductionRetrospective StudiesCombined Modality TherapyMechlorethamineNeoplasm StagingChromosomes, Human, Pair 14Survival RateGene RearrangementGerminal CenterTransplantation, AutologousDisease-Free SurvivalAntibodies, MonoclonalNeoplasms, Second PrimaryCell Line, TumorChromosomes, Human, Pair 18Tumor Markers, BiologicalLeukemia, Lymphocytic, Chronic, B-CellGene Rearrangement, B-Lymphocyte, Heavy ChainAntineoplastic AgentsSurvival AnalysisRecurrenceImmunoglobulin Heavy ChainsTumor Cells, CulturedGene Expression Regulation, NeoplasticSalvage TherapyFatal OutcomeGenes, ImmunoglobulinLymphoproliferative DisordersThymus NeoplasmsCentral Nervous System NeoplasmsGene Rearrangement, B-LymphocytePolymerase Chain ReactionDNA, NeoplasmViral Matrix ProteinsBiopsyFlow CytometryNeoplasm ProteinsPositron-Emission TomographyLymphocytesEye NeoplasmsLeukemiaIn Situ Hybridization, FluorescencePseudolymphomaFollow-Up StudiesRadiotherapyAntigens, CDNose NeoplasmsT-LymphocytesMycosis FungoidesApoptosisSkin NeoplasmsOctamer Transcription Factor-2Hematopoietic Stem Cell TransplantationAntigens, CD79Lymphatic DiseasesGenes, relRisk FactorsB-Cell-Specific Activator ProteinBase Sequence