Table 1 Tumor characteristics at the time of diagnosis, for 921 patients (all women) with sporadic, BRCA-mutation-negative breast cancer
From: Genome-wide association study of susceptibility loci for breast cancer in Sardinian population
| Characteristic | Patients, n (%) |
|---|---|
| Pathological TNM classification | |
| pT1-2 | 830 (90.1) |
| pT3-4 | 91 (9.9) |
| pN0 | 533 (57.9) |
| pN1 | 388 (42.1) |
| M0 | 751 (81.5) |
| M1 | 43 (4.7) |
| Mx | 127 (13.8) |
| Receptor status | |
| ER- | 234 (25.4) |
| ER+ | 687 (74.6) |
| PR- | 260 (28.2) |
| PR+ | 661 (71.8) |
| HER2- | 601 (65.3) |
| HER2+ | 174 (18.9) |
| Not tested | 146 (15.8) |
| Molecular subtypea | |
| ER+/PR+/HER2- | 545 (70.3) |
| ER+/PR+/HER2+ | 142 (18.3) |
| ER-/PR-/HER2+ | 32 (4.1) |
| Triple negative (ER-/PR-/HER2-) | 56 (7.2) |