- Pathological features of breast cancer (N=419).
| Variable | n (%) |
|---|---|
| Type | |
| Ductal | 376 (89.7) |
| Lobular | 33 (7.9) |
| Adenocarcinoma | 5 (1.2) |
| Angiosarcoma | 3 (0.7) |
| Cystosarcoma Phyllodes | 1 (0.2) |
| Mixed (ductal & lobular) | 1 (0.2) |
| Subtype (n=13) | |
| Mucinous | 4 (30.8) |
| Tubular | 3 (23.1) |
| Medullary | 3 (23.1) |
| Papillary | 2 (15.4) |
| Cribriform | 1 (7.7) |
| TNM stage (n=401) (missing=18) | |
| Stage I | 66 (16.3) |
| Stage II | 125 (30.9) |
| Stage III | 98 (24.3) |
| Stage IV | 112 (27.7) |
| Differentiation (n= 412) (missing=7) | |
| Poorly differentiated | 190 (46) |
| Moderately differentiated | 198 (47.9) |
| Well-differentiated | 20 (4.8) |
| Undifferentiated | 4 (1.0) |
| Receptor status (n=397) (missing=22) | |
| Hormone positive/her negative | 226 (56.9) |
| Triple positive | 66 (16.5) |
| Hormone negative/her positive | 39 (9.7) |
| Triple negative | 66 (16.5) |
| In-situ carcinoma (n=414) (missing=5) | |
| DCIS* | 14 (3.4) |
| LCIS** | 2 (0.5) |
| None/not known | 398 (96.1) |
| BRCA*** | |
| BRCA positive | 5 (1.2) |
| BRCA negative/not known | 414 (98.8) |
| Heterogenous breast cancer (n=419) | |
| Yes | 5 (1.2) |
| No | 414 (98.8) |