Table 1.
Clinical characteristics of patients with triple negative breast cancer
| Factor | Median (range) | n | % |
|---|---|---|---|
| Total | 34 | ||
| Age (years) | 53 (31–77) | ||
| Menopausal status | Premenopausal | 11 | 32.4 |
| Postmenopausal | 20 | 58.8 | |
| Unknown | 3 | 8.8 | |
| Histology | Invasive carcinoma, no special type | 31 | 91.2 |
| Invasive lobular carcinoma | 1 | 2.9 | |
| Apocrine carcinoma | 2 | 5.9 | |
| Initial clinical stage | I | 10 | 29.4 |
| IIA | 10 | 29.4 | |
| IIB | 9 | 26.5 | |
| IIIA | 2 | 5.9 | |
| IIIB | 1 | 2.9 | |
| IIIC | 2 | 5.9 | |
| Ki-67 | Low (≤ 20%) | 2 | 5.9 |
| High (> 20%) | 29 | 85.3 | |
| Unknown | 3 | 8.8 | |
| Lymph node metastasis | Present | 15 | 44.1 |
| Absent | 19 | 55.9 | |
| Neoadjuvant chemotherapy regimen | Taxane | 1 | 2.9 |
| Taxane + anthracycline | 33 | 97.1 | |
| Type of surgery | Radical mastectomy | 11 | 32.4 |
| Partial mastectomy | 23 | 67.6 |