Table 1.
Patients' Clinicopathological Characteristics
| n | % | |
|---|---|---|
| Patients | 320 | 100% |
| ER status* | ||
| Negative | 45 | 14.1% |
| Positive | 201 | 62.8% |
| Unknown | 74 | 23.1% |
| PR status* | ||
| Negative | 93 | 29.1% |
| Positive | 153 | 47.8% |
| Unknown | 74 | 23.1% |
| HER2 status* | ||
| Negative | 95 | 29.7% |
| Positive | 94 | 29.4% |
| Unknown | 131 | 40.9% |
| Triple negative* | ||
| No | 169 | 52.8% |
| Yes | 20 | 6.3% |
| Unknown | 131 | 40.9% |
| Histologic type | ||
| Invasive lobular | 42 | 13.1% |
| Invasive medullar | 12 | 3.8% |
| Invasive mucinous | 4 | 1.3% |
| No Special Type (NST)† | 174 | 54.4% |
| DCIS (only or with NST) | 83 | 25.9% |
| Unknown | 5 | 1.6% |
| Tumor size* | ||
| pT1 a, b, c | 205 | 64.1% |
| pT2 | 90 | 28.1% |
| pT3 | 4 | 1.3% |
| pT4 a, b, c, d | 17 | 5.3% |
| Unknown | 4 | 1.3% |
| Grade* | ||
| I | 15 | 4.7% |
| II | 109 | 34.1% |
| III | 48 | 15% |
| Unknown | 148 | 46.3% |
| Lymph node metastasis | ||
| No | 167 | 52.2% |
| Yes | 133 | 41.6% |
| Unknown | 20 | 6.3% |
| Local recurrence | ||
| No | 263 | 82.2% |
| Yes | 43 | 13.4% |
| Unknown | 14 | 4.4% |
| Distant metastases‡ | ||
| No | 239 | 74.7% |
| Yes | 67 | 20.9% |
| Unknown | 14 | 4.4% |
*
All data refer to the primary tumor.
†
NST include the formerly called “Invasive ductal” and “other” types.
‡
Distant metastases were detected in 8 patients (2.5%) at diagnosis and in 59 patients during the follow-up (18.44%).