Hematopoietic Stem Cell TransplantationTransplantation, HomologousStem Cell TransplantationHematologic NeoplasmsGraft vs Host DiseaseImmunocompromised HostTransplantation ConditioningTransplantation, AutologousCytomegalovirus InfectionsOpportunistic InfectionsHematopoietic Stem CellsStem CellsMycosesTransplantationPeripheral Blood Stem Cell TransplantationMyeloablative AgonistsRetrospective StudiesTissue DonorsTreatment OutcomeBone Marrow TransplantationAntiviral AgentsAntifungal AgentsTransplantation ChimeraGraft SurvivalBusulfanAspergillosisKidney TransplantationRecurrenceCytomegalovirusWhole-Body IrradiationImmunosuppressive AgentsHistocompatibility TestingCord Blood Stem Cell TransplantationLiver TransplantationRoseolovirus InfectionsGraft vs Leukemia EffectHistocompatibilityRemission InductionLeukemiaTime FactorsVidarabineHematopoietic Stem Cell MobilizationHepatic Veno-Occlusive DiseaseMultiple MyelomaCombined Modality TherapySurvival RateSurvival AnalysisGraft vs Tumor EffectEmbryonic Stem CellsHematologic DiseasesMesenchymal Stem Cell TransplantationAntigens, CD34Leukemia, Myeloid, AcuteGraft RejectionAdult Stem CellsGanciclovirSiblingsMelphalanOrgan TransplantationDisease-Free SurvivalLymphocyte TransfusionLeukemia, Myelogenous, Chronic, BCR-ABL PositiveSalvage TherapyChimerismMyelodysplastic SyndromesFatal OutcomeCell DifferentiationHematopoiesisRisk FactorsAcute DiseaseCell TransplantationAntilymphocyte SerumZygomycosisHeart TransplantationLymphocyte DepletionFollow-Up StudiesStem Cell NicheCyclophosphamideIncidencePrecursor Cell Lymphoblastic Leukemia-LymphomaProspective StudiesAntineoplastic Combined Chemotherapy ProtocolsLung TransplantationViral LoadLymphoproliferative DisordersBone Marrow CellsTriazolesHLA AntigensTransplantation ImmunologyImmunosuppressionVirus ActivationAdenovirus Infections, HumanPluripotent Stem CellsPolymerase Chain ReactionMinor Histocompatibility AntigensPyrimidinesCyclosporinePrognosisT-LymphocytesBK Virus