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Pathological results of all BI-RADS 4 category breast lesions, [n (%)].
| Lesions | n (%) |
|---|---|
| Malignant | 30 (25.9) |
| Invasive ductal carcinoma | 17 (56.7) |
| Ductal carcinoma in situ | 6 (20.0) |
| Tubular carcinoma | 2 (6.7) |
| Invasive lobular carcinoma | 2 (6.7) |
| Mucinous carcinoma | 3 (10.0) |
| Benign | 86 (74.1) |
| Papilloma | 7 (8.1) |
| Fibroadenoma | 23 (26.7) |
| Fibrocystic change | 24 (27.9) |
| Ductal hyperplasia | 18 (20.9) |
| Sclerosing adenosis | 3 (3.5) |
| Columnar cell lesions | 11 (12.8) |
