Lymphoma, T-Cell, PeripheralHodgkin 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, CutaneousAntigens, CD30Peripheral NervesVincristinePrednisoneBleomycinHerpesvirus 4, HumanEpstein-Barr Virus InfectionsDoxorubicinLymphoma, Large-Cell, ImmunoblasticAntigens, CD20Antineoplastic Combined Chemotherapy ProtocolsB-LymphocytesImmunophenotypingAntibodies, Monoclonal, Murine-DerivedProcarbazineImmunohistochemistryCyclophosphamideLymph NodesPeripheral Nervous SystemPeripheral Nervous System DiseasesVinblastineTreatment OutcomeTranslocation, GeneticPrognosisLymphocytesPeripheral Vascular DiseasesDacarbazineT-LymphocytesAntibodies, MonoclonalRetrospective StudiesFlow CytometryLeukocytes, MononuclearTransplantation, AutologousMediastinal NeoplasmsLymphoma, Extranodal NK-T-CellCombined Modality TherapyEtoposideRemission InductionProto-Oncogene Proteins c-bcl-6Neoplasm StagingSurvival RateTime FactorsPolymerase Chain ReactionCell Line, TumorChromosomes, Human, Pair 14Disease-Free SurvivalMechlorethamineGene RearrangementAntigens, CDTumor Markers, BiologicalAntineoplastic AgentsGerminal CenterRecurrenceSurvival AnalysisLeukemia, Lymphocytic, Chronic, B-CellTumor Cells, CulturedNeoplasms, Second PrimaryChromosomes, Human, Pair 18Gene Rearrangement, B-Lymphocyte, Heavy ChainPeripheral Nerve InjuriesImmunoglobulin Heavy ChainsPeripheral Arterial DiseaseFatal OutcomeGene Expression Regulation, NeoplasticHematopoietic Stem Cell TransplantationFollow-Up StudiesLymphoproliferative DisordersBiopsySalvage TherapyGenes, ImmunoglobulinBase SequenceMolecular Sequence DataLeukemiaCase-Control StudiesNeoplasm ProteinsGene Rearrangement, B-LymphocyteApoptosisThymus NeoplasmsRisk FactorsDNA, NeoplasmLymphocyte ActivationIn Situ Hybridization, FluorescenceCentral Nervous System NeoplasmsBone MarrowRNA, Messenger