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CT scans performed over the 4-year period including the initial CTA for PE evaluation.
| Body region | Number of scans |
|---|---|
| Head | 164 |
| Head and neck | 4 |
| Neck | 22 |
| Neck and chest | 2 |
| Chest | 468 |
| Chest and abdomen | 8 |
| Abdomen | 34 |
| Pelvis | 5 |
| Abdomen and pelvis | 175 |
| Chest, abdomen, and pelvis | 18 |
|
| |
| Total | 900 |
