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Table 1 Clinicopathological characteristics

From: Immune parameters associated with survival in metaplastic breast cancer

Patients characteristics n %
Age (median/range) 50/25–81  
Histological subtype
 Squamous cell carcinoma 33 55.0
 Spindle cell carcinoma 4 6.56
 Chondriod differentiation 4 6.56
 Osseous differentiation 4 6.56
 Fibromatosis-like 2 3.28
 Mixed type 13 21.67
 With invasive carcinoma (no special type) 33 55.0
Tumor size(mm)
 0–20 10 16.67
 21–50 33 55
 > 50 17 28.33
Lymph node metastasis
 Negative 41 68.33
 1–3 17 28.33
 4–10 2 3.33
  > 10 0
Lymphovascular invasion
 Present 16 26.7
 Absent 41 68.3
 Unknown 3 5
Surgery type
 Breast-conserving surgery 7 11.67
 Mastectomy 53 88.67
Systematic therapy
 Chemotherapy* 56 93.33
 Radiotherapy 52 86.67
Clinical outcome
 Local recurrences 5 8.02
 Distant metastasis 7 11.48
 Total death 6 9.81
 Cancer-specific death 3 4.92
  1. *4/56 patients had neoadjuvant chemotherapy