Peri-graft infections are a well recognized complication of endovascular abdominal aortic aneurysm repair. This patient was found to have positive Listeria blood cultures. Patient's CRP was elevated.

Soft tissue stranding around the aorta is suggestive of inflammation. The soft tissue densities are not circumferential or symmetrical. Moderate stranding of the retroperitoneal fat planes and prominent lymph nodes help to secure the diagnosis.