Lymphoma, Primary EffusionHerpesvirus 8, HumanPleural EffusionLymphomaPleural Effusion, MalignantPericardial EffusionLymphoma, B-CellSarcoma, KaposiLymphoma, Non-HodgkinLymphoma, AIDS-RelatedLymphoma, Large B-Cell, DiffuseHerpesviridae InfectionsLymphoma, T-CellGiant Lymph Node HyperplasiaLymphoma, FollicularOtitis Media with EffusionBurkitt LymphomaLymphoma, Large-Cell, ImmunoblasticLymphoma, B-Cell, Marginal ZoneVirus LatencyViral ProteinsLymphoma, Mantle-CellHerpesvirus 4, HumanVirus ActivationLymphoma, T-Cell, CutaneousAntigens, CD30AscitesLymphoma, T-Cell, PeripheralLymphoma, Large-Cell, AnaplasticExudates and TransudatesGene Expression Regulation, ViralTuberculosis, PleuralTumor Cells, CulturedCell Line, TumorHodgkin DiseaseAntigens, ViralInterferon Regulatory FactorsImmunophenotypingB-LymphocytesCell LineCardiac TamponadePericardiocentesisNuclear ProteinsApoptosisPleuraHIV SeronegativityPolymerase Chain ReactionImmediate-Early ProteinsDNA, ViralVirus ReplicationEmpyema, PleuralMice, SCIDImmunohistochemistryVincristineOpen Reading FramesInterleukin-6Molecular Sequence DataSubdural EffusionPrednisoneBase SequenceTrans-ActivatorsAntibodies, Monoclonal, Murine-DerivedPleurodesisAscitic FluidAntigens, CD20Pleural CavityHydrothoraxTranslocation, GeneticLymphoma, Extranodal NK-T-CellGene Expression ProfilingDrainageParacentesisCyclophosphamideMiddle Ear VentilationTranscription, GeneticSignal TransductionPericarditisRNA, MessengerChylothoraxAntineoplastic Combined Chemotherapy ProtocolsDoxorubicinTreatment OutcomeNF-kappa BIn Situ HybridizationCyclinsReverse Transcriptase Polymerase Chain ReactionCell ProliferationChromosomes, Human, Pair 14Cell Line, TransformedFatal OutcomePrognosisRetrospective StudiesChromosomes, Human, Pair 18TalcDNA-Binding ProteinsPromoter Regions, GeneticPleural DiseasesGene RearrangementPleural NeoplasmsFluorescent Antibody Technique