LymphomaLymphoma, B-CellLymphoma, Non-HodgkinLymphoma, T-CellLymphoma, Large B-Cell, DiffuseEndemic DiseasesLymphoma, FollicularBurkitt LymphomaLymphoma, B-Cell, Marginal ZoneLymphoma, Mantle-CellLymphoma, T-Cell, CutaneousLymphoma, T-Cell, PeripheralLymphoma, AIDS-RelatedLymphoma, Large-Cell, AnaplasticHodgkin DiseaseLymphoma, Large-Cell, ImmunoblasticVincristineGoiter, EndemicAntibodies, Monoclonal, Murine-DerivedPrednisoneAntigens, CD20Translocation, GeneticLymphoma, Extranodal NK-T-CellCyclophosphamideChromosomes, Human, Pair 14DoxorubicinHerpesvirus 4, HumanAntineoplastic Combined Chemotherapy ProtocolsAntigens, CD30B-LymphocytesImmunophenotypingChromosomes, Human, Pair 18Gene RearrangementPolymerase Chain ReactionProto-Oncogene Proteins c-bcl-6PrognosisAntibodies, MonoclonalThymus NeoplasmsLymph NodesTreatment OutcomeCentral Nervous System NeoplasmsImmunohistochemistryReed-Sternberg CellsBalkan NephropathyEye NeoplasmsFatal OutcomeEpstein-Barr Virus InfectionsRetrospective StudiesLeukemia, Lymphocytic, Chronic, B-CellPseudolymphomaNose NeoplasmsMycosis FungoidesCombined Modality TherapyRemission InductionImmunoglobulin Heavy ChainsSkin NeoplasmsAntineoplastic AgentsTransplantation, AutologousMolecular Sequence DataSurvival AnalysisSurvival RateGerminal CenterBleomycinLeukemiaNeoplasm StagingLymphoproliferative DisordersDNA, NeoplasmBiopsyEtoposideTumor Cells, CulturedCell Line, TumorIn Situ Hybridization, FluorescenceDog DiseasesDisease-Free SurvivalT-LymphocytesGenes, mycMediastinal NeoplasmsTumor Markers, BiologicalFlow CytometryBase SequenceGenes, ImmunoglobulinBrazilRecurrenceRadioimmunotherapyProto-Oncogene Proteins c-bcl-2Leukemia, B-CellGenes, bcl-2Leukemia-Lymphoma, Adult T-CellGene Expression Regulation, NeoplasticLeukemia L5178IncidenceEnteropathy-Associated T-Cell LymphomaGeographyHerpesvirus 8, HumanLeishmaniasis, VisceralGene Rearrangement, B-LymphocyteComposite LymphomaNeoplasm ProteinsIntestinal NeoplasmsGene Rearrangement, B-Lymphocyte, Heavy Chain