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Patient characteristics.
| Characteristics | No. of patients |
|---|---|
| Age at diagnosis (years) | |
| <50 | 10 |
| ≥50 | 33 |
| Menopausal status | |
| Pre-menopausal | 17 |
| Post-menopausal | 26 |
| Clinical TN stage | |
| IIA | 24 |
| IIB | 5 |
| IIIA | 7 |
| IIIB | 7 |
| Tumor histology | |
| Invasive ductal | 36 |
| Invasive lobular | 3 |
| Invasive mucinous | 1 |
| Tubular | 1 |
| Epithelial | 1 |
| Metaplastic | 1 |
| Molecular subtype | |
| Luminal | 29 |
| HER2 | 6 |
| Triple-negative | 8 |
| Neoadjuvant treatment | |
| Chemotherapy | 29 |
| Chemotherapy plus trastuzumab | 6 |
| Anti-hormonal | 8 |
