Table 1. Characteristics of the patients with infiltrating carcinoma.
| Characteristic | n | % |
|---|---|---|
| Morphologic subtype | ||
| Invasive NST | 137 | 77.0 |
| Lobular | 27 | 15.2 |
| Other | 14 | 7.9 |
| Tumor size | ||
| pT1 | 152 | 85.4 |
| pT2 | 26 | 14.6 |
| Histologic grade | ||
| I | 33 | 18.5 |
| II | 79 | 44.4 |
| III | 41 | 23 |
| Unknown | 25 | 14 |
| Lymph node status | ||
| Negative | 135 | 75.8 |
| Positive | 43 | 24.2 |
| Multicentricity/multifocality | ||
| Yes | 60 | 33.7 |
| No | 118 | 66.3 |
| Estrogen receptor | ||
| Positive | 151 | 84.8 |
| Negative | 24 | 13.5 |
| Unknown | 3 | 1.7 |
| HER-2 | ||
| Negative | 29 | 16.3 |
| Positive | 144 | 80.9 |
| Unknown | 5 | 2.8 |
NST, not otherwise specified.