Table 1 Clinicopathologic characteristics of 233 invasive breast cancer patients studied for receptor conversion in distant metastases
From: Receptor conversion in distant breast cancer metastases
Feature | Grouping | N or value | % |
|---|---|---|---|
Age (years) | Mean | 53.9 | Â |
| Â | Range | 25 to 93 | Â |
Tumor size (cm) | ≤2 | 73 | 31.3 |
|  | > 2 and ≤5 | 80 | 34.3 |
| Â | > 5 | 12 | 5.2 |
| Â | Not available | 68 | 29.2 |
Histologic type | Invasive ductal cancer | 192 | 82.4 |
| Â | Invasive lobular cancer | 20 | 8.6 |
| Â | Others | 20 | 8.6 |
| Â | Not available | 1 | 0.4 |
Histologic grade | 1 | 8 | 3.4 |
| Â | 2 | 61 | 26.2 |
| Â | 3 | 161 | 69.1 |
| Â | Not available | 3 | 1.3 |
MAI (per 2 mm2) | Mean | 25 | Â |
| Â | Range | 0 to 172 | Â |
|  | ≤12 | 71 | 30.5 |
|  | ≥13 | 156 | 67.0 |
| Â | Not available | 6 | 2.5 |
Lymph node status | Positive | 119 | 51.1 |
| Â | Negative | 81 | 34.8 |
| Â | Not available | 33 | 14.2 |
Site of distant metastases | Brain | 44 | 18.9 |
| Â | Lung | 43 | 18.5 |
| Â | Liver | 63 | 27.0 |
| Â | Skin | 76 | 32.6 |
| Â | Gastro-intestinal | 7 | 3.0 |