Organ TransplantationTransplantsTissue DonorsTissue and Organ ProcurementKidney TransplantationTransplantationHeart TransplantationGraft RejectionLung TransplantationBrain DeathLiver TransplantationLiving DonorsGraft SurvivalImmunosuppressive AgentsImmunocompromised HostImmunosuppressionCadaverWaiting ListsTransplantation, HomologousTransplantation ImmunologyPostoperative ComplicationsPancreas TransplantationCytomegalovirus InfectionsHeart-Lung TransplantationLymphoproliferative DisordersTissue and Organ HarvestingLiver FailureTreatment OutcomeTime FactorsRetrospective StudiesOrgan PreservationBlood DonorsGanciclovirOpportunistic InfectionsDirected Tissue DonationBioartificial OrgansFacial TransplantationCytomegalovirusTacrolimusCyclosporineTransplantation ToleranceSkin NeoplasmsMycophenolic AcidDonor SelectionEyebrowsCryptococcosisKeratosis, ActinicMycosesZygomycosisRisk FactorsBone Marrow TransplantationKidneyAntiviral AgentsHistocompatibility TestingMarital TherapyDeathAntifungal AgentsPatient SelectionMultiple Organ FailureSeromaIslets of Langerhans TransplantationAcitretinHematopoietic Stem Cell TransplantationTransplantation, HeterologousHerpesvirus 4, HumanSurvival RateCalcineurinSunscreening AgentsUnited StatesOrgan SizeFatal OutcomeLiverEpstein-Barr Virus InfectionsIncidenceAspergillosisOrgan SpecificityHerpesvirus 7, HumanOrgan of CortiCoccidioidomycosisCohort StudiesFollow-Up StudiesHLA AntigensHerpesvirus 6, HumanPolymerase Chain ReactionProspective StudiesHerpesviridae InfectionsSwinePennsylvaniaSurvival AnalysisT-LymphocytesImmunocompetenceHepatectomyImmune ToleranceLiver DiseasesReperfusion InjuryGraft vs Host DiseaseReoperationSirolimusSunlightCarcinoma, Squamous Cell