TABLE 1.
Patients’ clinicopathologic characteristics.
| Variable | Classification | Result, n (%) |
|---|---|---|
| Age, years | Median | 62 |
| Range | 22–92 | |
| Sex | Female | 109 (100.0) |
| Male | 0 (0.0) | |
| Subtype | Luminal A | 8 (7.3) |
| Luminal B | 43 (39.4) | |
| Luminal‐HER2 | 13 (11.9) | |
| HER2 | 11 (10.1) | |
| Triple‐negative | 34 (31.2) | |
| Stage | II | 21 (19.3) |
| III | 29 (26.6) | |
| IV | 59 (54.1) | |
| Sample type | Primary tumor | 74 (67.9) |
| Metastatic tumor | 35 (32.1) | |
| Sample method | Biopsy | 61 (56.0) |
| Resection | 48 (44.0) | |
| Specimen site | Breast | 82 (75.2) |
| Lymph node | 6 (5.5) | |
| Skin | 4 (3.7) | |
| Chest wall | 4 (3.7) | |
| Liver | 4 (3.7) | |
| Lung | 2 (1.8) | |
| Abdominal wall | 2 (1.8) | |
| Ovary | 2 (1.8) | |
| Colon | 1 (0.9) | |
| Thymus | 1 (0.9) | |
| Brain | 1 (0.9) |