Portal VeinYttrium RadioisotopesEmbolization, TherapeuticMicrospheresTechnetium Tc 99m Aggregated AlbuminLiver NeoplasmsHolmiumHypertension, PortalChemoembolization, TherapeuticPortal SystemVeinsYttrium IsotopesStandard of CareCarcinoma, HepatocellularBrachytherapyRadiopharmaceuticalsRadiobiologyNeuroendocrine TumorsTomography, X-Ray ComputedTreatment OutcomeHepatic ArteryMesenteric VeinsGamma CamerasPortal PressureSaphenous VeinEnbucrilateLiver CirculationInjections, Intra-ArterialHepatic VeinsSplenic VeinVaricose VeinsLiverPolyvinylsRetrospective StudiesMultimodal ImagingRadioisotopesInfusions, Intra-ArterialPortographyUterine Artery EmbolizationEmbolismFemoral VeinVenous ThrombosisIntracranial Arteriovenous MalformationsJugular VeinsPolyvinyl AlcoholAngiographySplenic ArteryPulmonary VeinsPortasystemic Shunt, SurgicalGelatin Sponge, AbsorbableArteriovenous FistulaTomography, Emission-Computed, Single-PhotonHepatectomyIntracranial AneurysmArteriovenous MalformationsRadiotherapy DosageRadiation DosageEsophageal and Gastric VaricesCerebral AngiographyPositron-Emission TomographyRenal VeinsIliac VeinColorectal NeoplasmsAneurysm, RupturedLiver CirrhosisCerebral VeinsGastrointestinal HemorrhageLiver TransplantationUmbilical VeinsAngiography, Digital SubtractionEthiodized OilSplenorenal Shunt, SurgicalCentral Nervous System Vascular MalformationsPortacaval Shunt, SurgicalCyanoacrylatesLigationVena Cava, InferiorIodized OilHypersplenismAneurysmRadiography, InterventionalCavernous SinusEmbolism, CholesterolHemostaticsSplanchnic CirculationThrombosisPopliteal VeinCatheterizationPreoperative CareTissue AdhesivesAneurysm, FalsePhlebographyPostoperative ComplicationsDisease ProgressionBalloon OcclusionIntracranial EmbolismDogsRadiology, InterventionalSplenectomyStents