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Malignancy underestimation rates of B3 subtypes
| B3 subtype | Number | Underestimation | Rate (%) |
|---|---|---|---|
| ADH | 13 | 3 | 23.1 |
| FEA | 4 | 0 | 0 |
| LN | 3 | 0 | 0 |
| PL | 84 | 2 | 2.4 |
| PL/ADH | 2 | 1 | 50 |
| PT | 71 | 1 | 1.4 |
| CSL/RS | 6 | 1 | 16.7 |
ADH atypical ductal hyperplasia, FEA flat epithelial atypia, LN classical lobular neoplasia, PL papillary lesions, PL/ADH papillary lesions/atypical ductal hyperplasia, PT phyllodes tumors, CSL/RS complex sclerosing lesions/radial scars
