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Table 1 Clinical characteristics of patients with triple negative breast cancer

From: Direct comparison of magnetic resonance imaging and pathological shrinkage patterns of triple-negative breast cancer after neoadjuvant chemotherapy

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