Lymphoproliferative DisordersLeukemia, Hairy CellLeukemia, ProlymphocyticLeukemia, Lymphocytic, Chronic, B-CellLeukemia, B-CellFluorescent Antibody Technique, DirectImmunophenotypingB-LymphocytesFlow CytometryLymphoma, Mantle-CellAntigens, CDEpstein-Barr Virus InfectionsLeukemiaHerpesvirus 4, HumanOrgan TransplantationLeukemia, Myeloid, AcuteTransplantationAutoimmune Lymphoproliferative SyndromeLeukemia, LymphoidGiant Lymph Node HyperplasiaLymphomaLymphoma, B-CellLymphomatoid PapulosisHerpesviridae InfectionsAntigens, CD30LymphocytosisLeukemia, T-CellLymphoma, T-CellImmunosuppressive AgentsWaldenstrom MacroglobulinemiaKidney TransplantationLeukemia, ExperimentalLymphoma, T-Cell, CutaneousAntibodies, Monoclonal, Murine-DerivedLymphomatoid GranulomatosisPseudolymphomaLymphoma, Non-HodgkinImmunocompromised HostLeukemia, Myelogenous, Chronic, BCR-ABL PositiveT-LymphocytesPostoperative ComplicationsImmunosuppressionHodgkin DiseaseFatal OutcomeTransplantsCryoglobulinemiaAntigens, CD20Tumor Virus InfectionsLeukemia Virus, MurineBipolar DisorderAntibodies, MonoclonalLeukemia, Large Granular LymphocyticMycosis FungoidesLymphatic DiseasesLeukemia, Prolymphocytic, T-CellImmunoblastic LymphadenopathyCladribineLymph NodesBurkitt LymphomaAntigens, CD5SplenomegalyPrecursor Cell Lymphoblastic Leukemia-LymphomaClone CellsTransplantation, HomologousLymphocytesEpstein-Barr Virus Nuclear AntigensPolymerase Chain ReactionTreatment OutcomeMental DisordersRemission InductionBone MarrowLymphoma, Large B-Cell, DiffuseAutoimmune DiseasesDNA, ViralParaproteinemiasAnxiety DisordersMood DisordersParaphimosisLung TransplantationBone Marrow TransplantationSplenic NeoplasmsHeart TransplantationLymphoma, Large-Cell, AnaplasticAntineoplastic AgentsLeukemia, Monocytic, AcuteHerpesvirus 8, HumanLiver TransplantationLeukemia-Lymphoma, Adult T-CellLymphocyte ActivationRetrospective Studies