Table 1.
General characteristics of 1,074 patients
| Mean ± SD | |
|---|---|
| Age, years | 51.12±10.51 |
| BMI | 30±4 |
| SM distance, mm | 9.4±7.5 |
| Tumor size, mm | 22.8±9.3 |
| Specimen volume, cm3 | 365±48.7 |
| n (%) | |
|---|---|
| Tumor morphology | |
| IDC | 947 (88.2) |
| ILC | 97 (9) |
| Other | 30 (2.8) |
| Premenopausal | 419 (39) |
| Postmenopausal | 655 (61) |
| Stage | |
| I | 376 (35) |
| IIA | 478 (44.6) |
| IIB | 130 (12.1) |
| IIIA | 90 (8.3) |
| Nodal stage | |
| N0 | 744 (69.2) |
| N1 | 266 (24.7) |
| N2 | 64 (6) |
| Grade | |
| I | 123 (11.5) |
| II | 478 (44.5) |
| III | 473 (44) |
| ER-positive | 805 (75) |
| ER-negative | 269 (25) |
| PR-positive | 612 (56.9) |
| PR-negative | 462 (43.1) |
| CerbB2-positive | 204 (19) |
| CerbB2-negative | 870 (81) |
| Reoperation | |
| Reexcision | 96 (8.9) |
| Mastectomy | 43 (4) |
| Relapse/recurrence | |
| IBTR | 29 (2.7) |
| Axillary recurrence | 10 (0.9) |