Portal vein gas due to administration of fluids via the umbilical vein.
D004618:Embolism, Air; D006801:Humans; D007231:Infant, Newborn; D007263:Infusions, Parenteral; D011169:Portal Vein; D011859:Radiography; D014138:Tracheoesophageal Fistula / Q000000981:diagnostic imaging*; D014471:Umbilical Veins