Summary of aneurysm characteristics by size/location
| Location | <7 mm | 7–12 mm | 13–24 mm | >24 mm |
|---|---|---|---|---|
| Anterior (ICA/MCA/ACA) | 2 | 1 | 2 | 1 |
| Posterior (vertebrobasilar, PcomA, PCA) | 1 | 2 | 2 | 1 |
Note:—PcomA indicates posterior communicating artery; PCA, posterior cerebral artery; ACA, anterior cerebral artery.