Complication of abdominal aortic aneurysm
Rare (<1% of all AAAs, ~3% of ruptured AAAs) but life-threatening (mortality ~50%)
Caused by inflammation around aorta → adherence of aorta to vein → pressure and erosion into vein →<unk>
Aortocaval fistula
Abdominal aortic aneurysm
Aortoenteric fisulta
Splenic artery aneurysm
Acute gastroenteritis
Superior vena cava syndrome
Esophageal varices
Appendicitis 