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