LymphomaHodgkin DiseaseLymphoma, Non-HodgkinLymphoma, B-CellLymphoma, Large B-Cell, DiffuseLymphoma, T-CellLymphoma, FollicularLymphoma, Mantle-CellBurkitt LymphomaLymphoma, B-Cell, Marginal ZoneReed-Sternberg CellsLeukemia, Lymphocytic, Chronic, B-CellChromosomes, Human, Pair 18Translocation, GeneticLymphoma, Large-Cell, AnaplasticLymphoma, T-Cell, CutaneousLymphoma, AIDS-RelatedLymphoma, T-Cell, PeripheralPrognosisCase-Control StudiesVincristineAntigens, CD30Lymphoma, Large-Cell, ImmunoblasticPrednisoneRisk FactorsAntigens, CD20Antibodies, Monoclonal, Murine-DerivedDoxorubicinHerpesvirus 4, HumanAntineoplastic Combined Chemotherapy ProtocolsCyclophosphamideBleomycinEpstein-Barr Virus InfectionsImmunohistochemistryB-LymphocytesImmunophenotypingLymphoma, Extranodal NK-T-CellLymph NodesProcarbazineChromosomes, Human, Pair 14Treatment OutcomeProto-Oncogene Proteins c-bcl-6Gene RearrangementAntibodies, MonoclonalRetrospective StudiesRemission InductionMediastinal NeoplasmsCombined Modality TherapyNeoplasm StagingVinblastineSurvival RateEtoposideTumor Markers, BiologicalCell Line, TumorGerminal CenterThymus NeoplasmsTransplantation, AutologousDisease-Free SurvivalAntineoplastic AgentsCentral Nervous System NeoplasmsSurvival AnalysisPolymerase Chain ReactionImmunoglobulin Heavy ChainsDacarbazineGene Expression Regulation, NeoplasticTumor Cells, CulturedFatal OutcomeEye NeoplasmsRecurrenceMolecular Sequence DataPseudolymphomaDNA, NeoplasmLymphoproliferative DisordersNose NeoplasmsGene Rearrangement, B-Lymphocyte, Heavy ChainMechlorethamineGenes, ImmunoglobulinIn Situ Hybridization, FluorescenceSkin NeoplasmsNeoplasms, Second PrimaryLeukemiaMycosis FungoidesBiopsyFlow CytometryBase SequenceNeoplasm ProteinsSalvage TherapyGene Rearrangement, B-LymphocyteT-LymphocytesFollow-Up StudiesLymphocytesGene Expression ProfilingApoptosisTime FactorsAntigens, CDPositron-Emission TomographyGenes, mycProto-Oncogene Proteins c-bcl-2Viral Matrix ProteinsLeukemia, B-Cell