Vena Cava, InferiorVena Cava FiltersVena Cava, SuperiorAzygos VeinPhlebographySuperior Vena Cava SyndromeVenae CavaeVenous ThrombosisFemoral VeinRenal VeinsVascular NeoplasmsIliac VeinVeinsHepatic VeinsBudd-Chiari SyndromePulmonary EmbolismConstriction, PathologicPortal VeinTomography, X-Ray ComputedVascular MalformationsMay-Thurner SyndromeLeiomyosarcomaDevice RemovalThrombectomyPulmonary VeinsMesenteric VeinsHeart AtriaKlippel-Trenaunay-Weber SyndromeJugular VeinsVascular DiseasesTreatment OutcomeHeterotaxy SyndromeSaphenous VeinAnastomosis, SurgicalVaricose VeinsVascular Surgical ProceduresArteriovenous FistulaScimitar SyndromeThrombosisAnticoagulantsUreterostomyVascular PatencySitus InversusEdemaInferior ColliculiVenous InsufficiencyVenous PressureStentsUltrasonography, Doppler, DuplexBlood Vessel Prosthesis ImplantationBrachiocephalic VeinsAtrial FlutterRetroperitoneal NeoplasmsSubclavian VeinPolytetrafluoroethylenePeripheral Vascular DiseasesHeart NeoplasmsLeiomyomatosisHeart Bypass, RightRetrospective StudiesCatheterizationIliac ArteryCatheterization, Central VenousForeign-Body MigrationConstrictionVascular GraftingRetroperitoneal SpaceProsthesis ImplantationThrombophlebitisUltrasonography, Doppler, ColorCatheterization, PeripheralTime FactorsDogsCatheter AblationBlood Vessel ProsthesisLigationReplantationFollow-Up StudiesAngioplasty, BalloonUltrasonography, InterventionalHeart Defects, CongenitalUmbilical VeinsHepatectomyPortacaval Shunt, SurgicalLiver CirculationPostthrombotic SyndromeSplenic VeinPulmonary ArteryLiver TransplantationUltrasonography, PrenatalFontan ProcedureMultiple TraumaAngiographyAtrial Function, RightIncidental FindingsHemodynamicsMagnetic Resonance AngiographyHeart Septal Defects, AtrialPortal SystemTricuspid Valve