Table 1.
Patient and tumor characteristics.
| Number of lesions (n = 44) in 44 breasts of 44 patients | |
|---|---|
| Age, years (median, range) |
59, 37–87 |
| Tumor (T)-category | |
| Tis | 4 |
| T1 | 12 |
| T2 | 25 |
| T3 | 3 |
| T4 | 0 |
| Lymph node (N)-category | |
| N0 | 22 |
| N1 | 13 |
| N2 | 6 |
| N3 | 3 |
| Stage | |
| 0 | 4 |
| I | 9 |
| II | 22 |
| III | 8 |
| IV | 1 |
| Histology | |
| Non-invasive ductal | 4 |
| Invasive carcinoma | |
| Ductal | 37 |
| Lobular | 1 |
| Ductal and lobular | 1 |
| Apocrine | 1 |
| Ki67 level | |
| 20%> | 14 |
| ≥ 20% | 26 |
| Not specified | 4 |
| Tumor subtype | |
| Luminal A | 19 |
| Luminal B/HER2- | 15 |
| Luminal B/HER2+ | 2 |
| HER2 | 3 |
| Triple-negative | 5 |
HER2, human epidermal growth factor receptor 2 amplified.