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Risk factors versus protective factors for type II endoleak
| Protective factors | Risk factors |
|---|---|
| Smoking | Patent lumbar arteries |
| Peripheral vascular disease | Diameter of lumbar arteries |
| Patent inferior mesenteric artery | |
| Proportion of aneurysm sac lined with thrombus | |
| Maximum thrombus thickness | |
| Older age (>80 years) |
