LymphocytesB-LymphocytesLymphocyte ActivationT-LymphocytesLymphocyte SubsetsReceptors, Antigen, B-CellLymphocyte CountSpleenPalatine TonsilB-Lymphocyte SubsetsCells, CulturedImmunoglobulin MFlow CytometryLeukocyte CountLymphocyte Culture Test, MixedLymphocyte CooperationAntigens, CDHerpesvirus 4, HumanPostoperative ComplicationsImmunoglobulinsMitogensMice, Inbred C57BLBariatric SurgeryPhytohemagglutininsAntigens, CD19Rosette FormationLymphocytes, Tumor-InfiltratingAntibodies, MonoclonalTime FactorsMice, Inbred BALB CTreatment OutcomeImmunoglobulin DCD4-Positive T-LymphocytesConcanavalin ALymph NodesImmune Adherence ReactionAntibody FormationT-Lymphocytes, CytotoxicLymphocyte TransfusionImmunoglobulin GGeneral SurgeryCell LineInterleukin-2Leukemia, LymphoidCytotoxicity, ImmunologicLymphoid TissueCell SeparationAntigens, Differentiation, B-LymphocyteB-Cell Activating FactorThoracic SurgeryImmunity, CellularT-Lymphocyte SubsetsPokeweed MitogensAntigens, SurfaceCell DifferentiationLymphocyte DepletionImmunophenotypingThymus GlandAntigens, CD5CD8-Positive T-LymphocytesAntibody-Producing CellsMolecular Sequence DataClone CellsAntigens, CD3LectinsCell DivisionCardiac Surgical ProceduresAntibodies, Anti-IdiotypicRetrospective StudiesKiller Cells, NaturalAntigensAntigens, Differentiation, T-LymphocyteImmunoglobulin mu-ChainsCytotoxicity Tests, ImmunologicInterleukin-4Postoperative PeriodAntigens, CD40Mice, Inbred StrainsLymphocyte Function-Associated Antigen-1Receptors, Lymphocyte HomingImmunoglobulin Heavy ChainsPlasma CellsImmunologic CappingInterferon-gammaBase SequenceReceptors, Complement 3dProspective StudiesSurgery, PlasticSignal TransductionThoracic DuctMice, Inbred CBAImmunologic Deficiency SyndromesCytokinesMembrane GlycoproteinsFluorescent Antibody TechniqueEpitopesFollow-Up StudiesMonocytesMice, KnockoutHemolytic Plaque Technique