Patient and Tumor Characteristics
| Characteristic | n (%) |
| Sex | |
| Female | 27 (100) |
| Race | |
| Caucasian | 20 (74.1) |
| Black | 4 (14.8) |
| Asian | 1 (3.7) |
| Hispanic | 2 (7.4) |
| Histology | |
| IDC | 19 (70.4) |
| ILC | 8 (29.6) |
| Histologic grade | |
| 1 | 2 (7.4) |
| 2 | 8 (29.6) |
| 3 | 17 (63) |
| AJCC tumor stage* | |
| 2B | 13 (48.1) |
| 3A | 6 (22.2) |
| 3B | 6 (22.2) |
| 3C | 2 (7.4) |
| Receptor status | |
| ER or PR+/HER2− | 13 (48.1) |
| HER2+ | 7 (25.9) |
| Triple negative (ER−/PR−/HER2−) | 7 (25.9) |
↵* Clinical classification according to seventh edition of the AJCC Staging Manual (26).
AJCC = American Joint Committee on Cancer; ER = estrogen receptor; PR = progesterone receptor; HER2 = human epidermal growth factor receptor 2.
Median age at diagnosis was 52.7 y (range, 37.3–79.1 y).