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Most common alternative or incidental findings on CTPA of patients without PE (N = 183).
| N | % | |
|---|---|---|
| Emphysema | 14 | 7.6 |
| Pneumonia | 13 | 7.1 |
| Atelectasis | 10 | 5.5 |
| Bronchiectasis | 7 | 3.8 |
| Air trapping | 6 | 3.3 |
| Congestive heart failure | 6 | 3.3 |
| Pleural effusion | 5 | 2.7 |
| New pulmonary nodule/mass | 3 | 1.6 |
| No alternative finding | 119 | 65 |
