Hodgkin DiseaseLymphomaLymphoma, B-CellLymphoma, Non-HodgkinLymphoma, 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, CD30VincristinePrednisoneBleomycinHerpesvirus 4, HumanDoxorubicinEpstein-Barr Virus InfectionsLymphoma, Large-Cell, ImmunoblasticAntigens, CD20Antineoplastic Combined Chemotherapy ProtocolsProcarbazineAntibodies, Monoclonal, Murine-DerivedImmunohistochemistryCyclophosphamideVinblastinePrognosisImmunophenotypingB-LymphocytesTranslocation, GeneticLymph NodesTreatment OutcomeDacarbazineRetrospective StudiesMediastinal NeoplasmsLymphoma, Extranodal NK-T-CellNeoplasm StagingProto-Oncogene Proteins c-bcl-6Survival RateTumor Markers, BiologicalRemission InductionEtoposideCombined Modality TherapyCell Line, TumorAntibodies, MonoclonalChromosomes, Human, Pair 14Disease-Free SurvivalGene RearrangementPolymerase Chain ReactionMechlorethamineGerminal CenterMolecular Sequence DataSurvival AnalysisGene Expression Regulation, NeoplasticTransplantation, AutologousNeoplasms, Second PrimaryAntineoplastic AgentsChromosomes, Human, Pair 18RecurrenceTumor Cells, CulturedLeukemia, Lymphocytic, Chronic, B-CellGene Rearrangement, B-Lymphocyte, Heavy ChainImmunoglobulin Heavy ChainsBase SequenceFatal OutcomeSalvage TherapyGenes, ImmunoglobulinDNA, NeoplasmLymphoproliferative DisordersThymus NeoplasmsNeoplasm ProteinsGene Expression ProfilingBiopsyFollow-Up StudiesCentral Nervous System NeoplasmsTime FactorsFlow CytometryIn Situ Hybridization, FluorescenceRisk FactorsGene Rearrangement, B-LymphocyteLymphocytesViral Matrix ProteinsPositron-Emission TomographyLeukemiaEye NeoplasmsT-LymphocytesAntigens, CDSkin NeoplasmsCase-Control StudiesApoptosisPseudolymphomaNose NeoplasmsIn Situ HybridizationRadiotherapyIncidenceReverse Transcriptase Polymerase Chain Reaction