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 |