Vena Cava, InferiorVena Cava, SuperiorSuperior Vena Cava SyndromeVena Cava FiltersVenae CavaeAzygos VeinPhlebographyInferior ColliculiRenal VeinsVenous ThrombosisBudd-Chiari SyndromeHepatic VeinsVascular NeoplasmsPulmonary EmbolismIliac VeinVascular MalformationsBrachiocephalic VeinsHeart AtriaDevice RemovalTomography, X-Ray ComputedCatheterization, Central VenousLeiomyosarcomaJugular VeinsTreatment OutcomeCoronary SinusPulmonary VeinsMesenteric Artery, InferiorPortal VeinVeinsConstriction, PathologicFemoral VeinHeterotaxy SyndromeVenous PressureScimitar SyndromeHeart Bypass, RightAnastomosis, SurgicalMagnetic Resonance ImagingSitus InversusProsthesis ImplantationThrombosisCatheter AblationSubclavian VeinHeart NeoplasmsAtrial FlutterVascular DiseasesDogsHeart Defects, CongenitalRetroperitoneal NeoplasmsIncidental FindingsMandibular NerveConstrictionVascular Surgical ProceduresBlood Vessel Prosthesis ImplantationCatheterizationPolytetrafluoroethyleneAnticoagulantsThrombectomyHeart Septal Defects, AtrialThrombophlebitisTime FactorsMesenteric VeinsRetrospective StudiesForeign-Body MigrationEquipment FailureOlivary NucleusFollow-Up StudiesInferior Wall Myocardial InfarctionPortacaval Shunt, SurgicalEchocardiographyLeiomyomatosisCollateral CirculationStentsPulmonary ArteryTricuspid ValveHepatectomyAngiographyCardiovascular AbnormalitiesArteriovenous FistulaVascular GraftingEchocardiography, TransesophagealAtrial Function, RightMediastinal NeoplasmsMediastinal DiseasesMultiple TraumaUltrasonography, PrenatalBlood Vessel ProsthesisFatal OutcomeLiver TransplantationAbnormalities, MultipleFontan ProcedureReplantationLiver CirculationCardiac Surgical ProceduresBlood Flow VelocityBrain MappingVascular PatencyRadiography, InterventionalChylothoraxCardiac CatheterizationPortal System