| DLCTA | double-low computed tomography angiography |
| SDCTA | standard-dose computed tomography angiography |
| EVAR | endovascular aneurysm repair |
| TEVAR | thoracic endovascular aneurysm repair |
| CTA | computed tomography angiography |
| CM | contrast medium |
| ROI | region of interest |
| CTDIvol | volume CT dose index |
| DLP | dose–length product |
| ED | effective dose |
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