Selected characteristics among patients with LABC
| Characteristics | No. of patients (n = 71) | % |
|---|---|---|
| Age, y | ||
| <40 | 19 | 27 |
| 40-49 | 25 | 35 |
| 50-59 | 19 | 27 |
| ≥60 | 8 | 11 |
| Race | ||
| Non-Hispanic white | 56 | 79 |
| African-American | 9 | 13 |
| Asian/Pacific Islander | 6 | 8 |
| Histology | ||
| Ductal | 65 | 92 |
| Lobular | 6 | 8 |
| Clinical tumor classification | ||
| T1 | 3 | 4 |
| T2 | 14 | 20 |
| T3 | 41 | 58 |
| T4 | 13 | 18 |
| Clinical lymph node classification | ||
| N0 | 15 | 21 |
| N1 | 43 | 61 |
| N2 | 11 | 15 |
| N3 | 2 | 3 |
| Tumor size, cm | ||
| 0-1.9 | 5 | 7 |
| 2.0-5 | 35 | 49 |
| >5 | 31 | 44 |
| Ki-67 proliferative index* | ||
| Low or intermediate (≤20%) | 16 | 26 |
| High (>20%) | 45 | 74 |
| Menopausal status | ||
| Pre | 47 | 66 |
| Post | 24 | 34 |
| Tumor grade | ||
| 1 | 5 | 7 |
| 2 | 22 | 31 |
| 3 | 44 | 62 |
| Breast cancer subtype (by IHC) | ||
| TN | 25 | 35 |
| HER2 | 6 | 8 |
| Luminal | 40 | 56 |
↵*Unknown, n = 10.