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Demographics of patients and tumor characteristics
| Characteristic | No. of patients (n = 30) |
|---|---|
| Mean age (years) ± SD (range) | 49.2 ± 8.6 (35--70) |
| Histological subtype | |
| Invasive ductal carcinoma | 30 |
| Tumor status | |
| T1 | 15 |
| T2 | 13 |
| T3 | 2 |
| Lymph node status | |
| N0 | 17 |
| N1 | 7 |
| N2 | 4 |
| N3 | 2 |
| TNM stage | |
| I | 15 |
| II | 9 |
| III | 6 |
| Tumor differentiation | |
| Well | 4 |
| Moderate | 18 |
| Poor | 8 |
| Hormone receptor status | |
| Estrogen receptor | |
| Positive | 21 |
| Negative | 9 |
| Progesterone receptor | |
| Positive | 13 |
| Negative | 17 |
| HER-2 receptor status | |
| Positive | 9 |
| Negative | 21 |
