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 |