"Clinical presentation is often vague. Patients may initially present with non-specific abdominal pain, nausea and sepsis in the context of an intra-abdominal infection. Sequelae from hepatic involvement, such as jaundice or hepatomegaly, may occur in advanced stages."
"Thrombosis of the portal circulation rapidly leads to bowel ischaemia, necrosis and perforation."
"Complications of pylephlebitis include thrombus propagation into a mesenteric vein, hepatic abscess, hepatic and splenic infarctions and chronic thrombosis 4."