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 |