Summary of reasons for B3 and C3 categorisation with final histological diagnosis
| Reasons | Final histology |
|---|---|
| B3 category (22) | |
| Suggestive of radial scar (12) | Radial scar (11) benign breast change (1) |
| Papillary lesion (2) | Papilloma (2) |
| Fibroepithelial lesion (2) | Fibroadenoma (2) |
| Intraductal epithelial proliferation (2) | Benign breast change (2 with 1 including pseudoangiomatous hyperplasia) |
| Stromal mucin (2) | Benign breast change (2) |
| Atypical lobular hyperplasia (ALH) (1) | ALH in benign breast change (1) |
| Vascular lesion (1) | Haemangioma (1) |
| C3 category (2) | |
| Focal dyscohesion and pleomorphism (2) | Intraduct papilloma (2), one with atypical ductal hyperplasia |