Lymphoproliferative DisordersEpstein-Barr Virus InfectionsHerpesvirus 4, HumanOrgan TransplantationTransplantationAutoimmune Lymphoproliferative SyndromeLeukemia, Hairy CellGiant Lymph Node HyperplasiaLymphoma, B-CellLymphomaB-LymphocytesLeukemia, Lymphocytic, Chronic, B-CellLymphomatoid PapulosisHerpesviridae InfectionsLeukemia, ProlymphocyticAntigens, CD30LymphocytosisLymphoma, T-CellImmunosuppressive AgentsKidney TransplantationWaldenstrom MacroglobulinemiaImmunophenotypingLymphoma, T-Cell, CutaneousLymphomatoid GranulomatosisPseudolymphomaLeukemia, B-CellAntibodies, Monoclonal, Murine-DerivedImmunocompromised HostPostoperative ComplicationsLymphoma, Non-HodgkinCryoglobulinemiaTransplantsImmunosuppressionHodgkin DiseaseT-LymphocytesBipolar DisorderFatal OutcomeAntigens, CD20Molecular Sequence DataMycosis FungoidesLeukemia, LymphoidImmunoblastic LymphadenopathyTumor Virus InfectionsLymphatic DiseasesLymph NodesAntibodies, MonoclonalEpstein-Barr Virus Nuclear AntigensAntigens, CD5Mental DisordersSplenomegalyPolymerase Chain ReactionClone CellsAnxiety DisordersAutoimmune DiseasesAntigens, CDLeukemia, Large Granular LymphocyticBurkitt LymphomaMood DisordersLymphoma, Large B-Cell, DiffuseFlow CytometryCladribineParaphimosisParaproteinemiasLymphocytesLung TransplantationLeukemia, T-CellHeart TransplantationHerpesvirus 8, HumanTransplantation, HomologousLymphoma, Large-Cell, AnaplasticLiver TransplantationLymphoma, Mantle-CellSplenic NeoplasmsDNA, ViralLeukemia, Prolymphocytic, T-CellInfectious MononucleosisViral Matrix ProteinsLymphocyte ActivationTreatment OutcomeBase SequenceImmunologic Deficiency SyndromesRetrospective StudiesPhenotypeDiagnostic and Statistical Manual of Mental DisordersBiopsyTime FactorsNeoplasms, Plasma CellCryoglobulinsAmino Acid SequenceLymphoma, AIDS-RelatedLeukemiaParaproteinsImmunoglobulin Heavy ChainsSplenectomyGene Rearrangement, gamma-Chain T-Cell Antigen ReceptorLymphoma, Primary Cutaneous Anaplastic Large CellMyeloproliferative DisordersBone Marrow TransplantationSkin NeoplasmsAntigens, CD79