Hodgkin DiseaseLymphomaLymphoma, B-CellLymphoma, Non-HodgkinReed-Sternberg CellsLymphoma, T-CellLymphoma, Large B-Cell, DiffuseLymphoma, FollicularBurkitt LymphomaLymphoma, B-Cell, Marginal ZoneLymphoma, Large-Cell, AnaplasticLymphoma, AIDS-RelatedAntigens, CD30Lymphoma, Mantle-CellLymphoma, T-Cell, CutaneousBleomycinLymphoma, T-Cell, PeripheralEpstein-Barr Virus InfectionsVincristineHerpesvirus 4, HumanPrednisoneDoxorubicinVinblastineProcarbazineDacarbazineAntineoplastic Combined Chemotherapy ProtocolsAntigens, CD20Mediastinal NeoplasmsLymphoma, Large-Cell, ImmunoblasticAntibodies, Monoclonal, Murine-DerivedCyclophosphamideImmunohistochemistryImmunophenotypingPrognosisNeoplasms, Second PrimaryLymph NodesB-LymphocytesMechlorethamineEtoposideTreatment OutcomeRemission InductionNeoplasm StagingRetrospective StudiesDisease-Free SurvivalSurvival RateCombined Modality TherapyGerminal CenterTransplantation, AutologousTranslocation, GeneticTumor Markers, BiologicalRecurrenceCell Line, TumorGenes, relSalvage TherapyLymphoma, Extranodal NK-T-CellRadiotherapyAntineoplastic AgentsLymphatic IrradiationPositron-Emission TomographyGene Expression Regulation, NeoplasticSurvival AnalysisLeukemia, Lymphocytic, Chronic, B-CellImmunoconjugatesChromosomes, Human, Pair 14Viral Matrix ProteinsAntibodies, MonoclonalLymphoproliferative DisordersProto-Oncogene Proteins c-bcl-6Fatal OutcomeLymphocytesB-Cell-Specific Activator ProteinChromosomes, Human, Pair 18Gene RearrangementChemokine CCL17IncidenceAntigens, CD79Flow CytometryHematopoietic Stem Cell TransplantationAntigens, CDNeoplasms, Radiation-InducedNeoplasm ProteinsTumor Cells, CulturedSurvivorsFluorodeoxyglucose F18Risk FactorsFollow-Up StudiesIn Situ Hybridization, FluorescenceThymus NeoplasmsCase-Control StudiesCentral Nervous System NeoplasmsGene Expression ProfilingPolymerase Chain ReactionApoptosisBiopsyT-LymphocytesImmunoglobulin Heavy ChainsAntigens, CD15RegistriesSpace-Time ClusteringHematologic Neoplasms