Pneumatosis Cystoides IntestinalisMesenteric VeinsHyperplasiaTunica IntimaMuscle, Smooth, VascularPneumoperitoneumPortal VeinRadiography, AbdominalMesenteric Vascular OcclusionVeinsMediastinal EmphysemaGraft Occlusion, VascularCarotid Artery InjuriesPortal SystemCarotid ArteriesSplenic VeinChloral HydrateColonic DiseasesTomography, X-Ray ComputedSubcutaneous EmphysemaFemoral VeinHaemophilus parainfluenzaeRecurrenceRenal VeinsAirSaphenous VeinColon, SigmoidRetropneumoperitoneumProstatic HyperplasiaEndometrial HyperplasiaStomach DiseasesIliac VeinSplanchnic CirculationIdiopathic Pulmonary FibrosisVaricose VeinsVenous ThrombosisHepatic VeinsEnterocolitis, NecrotizingRadiography, ThoracicJugular Veinsalpha-GlucosidasesIntestinesVisceraVena Cava, InferiorPulmonary VeinsHypertension, PortalPancreaticoduodenectomyAdrenal Hyperplasia, CongenitalIofetamineNorepinephrineMesenteric Arteries