Table 2.
BBD risk level | Biopsy result/lesion | na |
---|---|---|
Non-proliferative disease/normal pathology | Fibrosis | 807 |
Cysts | 366 | |
Apocrine metaplasia | 527 | |
Simple fibroadenoma | 124 | |
No lesion | 252 | |
Proliferative disease without atypia | Epithelial hyperplasia without atypia | 560 |
Columnar cell hyperplasia without atypia | 124 | |
Complex fibroadenoma without atypia | 52 | |
Sclerosing adenosis | 298 | |
Radial scar | 34 | |
Papilloma | 119 | |
Proliferative disease with atypia | Atypical ductal hyperplasia | 19 |
Atypical lobular hyperplasia | 21 | |
Atypical columnar hyperplasia | 6 | |
Complex fibroadenoma with atypia | 1 |
BBD lesions may include more than one type