Peripheral Blood Stem Cell TransplantationHematopoietic Stem Cell TransplantationTransplantation, AutologousTransplantation, HomologousHematopoietic Stem Cell MobilizationTransplantation ConditioningStem Cell TransplantationHematologic NeoplasmsGraft vs Host DiseaseLeukapheresisGranulocyte Colony-Stimulating FactorUmbilical CordAntigens, CD34MelphalanBlood Component RemovalCord Blood Stem Cell TransplantationCombined Modality TherapyBone Marrow TransplantationGraft SurvivalHematopoietic Stem CellsCyclophosphamideBusulfanStem CellsMyeloablative AgonistsTreatment OutcomeMultiple MyelomaAntineoplastic Combined Chemotherapy ProtocolsTransplantation ChimeraTissue DonorsRecurrenceRemission InductionLymphoma, Non-HodgkinAntineoplastic Agents, AlkylatingFetal BloodEtoposideHistocompatibilityPOEMS SyndromeThiotepaWhole-Body IrradiationHistocompatibility TestingDisease-Free SurvivalInfectionImmunosuppressive AgentsHematopoiesisBlood CellsVidarabineTransplantation, IsogeneicRetrospective StudiesLeukemiaAmyloidosisTime FactorsSalvage TherapySurvival RateIfosfamideSurvival AnalysisVincristineGraft vs Leukemia EffectCarmustineCytarabineHodgkin DiseaseLeukemia, Myeloid, AcutePlatelet CountBlood Cell CountAnemia, AplasticCytomegalovirus InfectionsMyelodysplastic SyndromesLeukocytes, MononuclearLymphomaImmunophenotypingLeukemia, Myelogenous, Chronic, BCR-ABL PositiveCytophagocytosisLiver TransplantationLymphocyte DepletionNeoplasmsFatal OutcomeBone MarrowFollow-Up StudiesFeasibility StudiesHematologic DiseasesHLA AntigensBlood DonorsHistiocytosis, Non-Langerhans-CellLivedo ReticularisOpportunistic InfectionsAntigens, CDPrecursor Cell Lymphoblastic Leukemia-LymphomaUmbilical VeinsFlow CytometryCyclosporineT-LymphocytesRecombinant ProteinsDoxorubicinProspective StudiesMesenchymal Stem Cell TransplantationImmunosuppressionCells, CulturedLeukocyte CountUmbilical ArteriesPilot ProjectsCell Separation