Table 1. Characteristics of 148 breast lesions.
| Mammography BI-RADS category | N | % |
|---|---|---|
| 1 | 28 | 19 |
| 2 | 0 | 0 |
| 3 | 14 | 9 |
| 4A | 55 | 37 |
| 4B | 25 | 17 |
| 4C | 10 | 7 |
| 5 | 16 | 11 |
| Symptoms | ||
| Benign symptomatic lesions | 9 | 6 |
| Malignant symptomatic lesions | 26 | 18 |
| Asymptomatic lesions | 113 | 76 |
| Breast density present on mammogram | ||
| a. Fatty | 0 | 0 |
| b. Scattered fibroglandular | 11 | 7 |
| c. Heterogeneously dense | 120 | 82 |
| d. Extremely dense | 17 | 11 |
| Main breast lesion findings | ||
| Microcalcification | 27 | 18 |
| Mass | 65 | 44 |
| Architectural distortion | 29 | 20 |
| Focal asymmetry | 27 | 18 |
| Histological diagnoses | ||
| Invasive breast cancer | 53 | 36 |
| Non-invasive breast cancer | 20 | 13 |
| Benign breast lesion | 75 | 51 |