Splenic ArteryAneurysmSplenic VeinCeliac ArteryArteriesHypersplenismSplenectomyCell WallEmbolization, TherapeuticMesenteric Artery, SuperiorHepatic ArteryPulmonary ArteryRenal ArteryHypertension, PortalLigationCarotid ArteriesAneurysm, FalseCerebral ArteriesFemoral ArteryTomography, X-Ray ComputedSplenic DiseasesSplenic InfarctionMesenteric ArteriesPancreatectomyAneurysm, RupturedFlank PainAngiographyBasilar ArteryGastrointestinal HemorrhagePortal VeinCoronary Artery BypassIliac ArteryVertebral ArteryVasoconstrictionRadial ArteryPancreatic PseudocystDogs