| ACA | Anterior Cerebral Artery(ies) |
| AcoA | Anterior Communicating Artery |
| CW | Circle of Willis |
| CTA | Computed Tomography–Angiography |
| ICA | Internal Carotid Artery |
| PCA | Posterior Cerebral Artery(ies) |
| PcoA | Posterior Communicating Artery(ies) |
| SD | Standard Deviation (SD) |
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