Imaging modalities and BCA characteristics
| Characteristics | Type | n (%) |
|---|---|---|
| Imaging techniquea | US | 135 (55%) |
| CT | 77 (31%) | |
| MR | 29 (12%) | |
| Laterality | Left | 81 (49%) |
| Right | 65 (39%) | |
| Bilateral | 21 (13%) | |
| Classification | First | 61 (37%) |
| Second | 73 (44%) | |
| Third | 7 (4%) | |
| Fourth | 26 (15%) |
↵a A total of 246 imaging examinations were performed in 167 unique patients, meaning that some patients received multiple imaging modalities.