Table 1 Characteristics of all patients with recurrent breast cancer in this study
Characteristics | Number | Percent |
|---|---|---|
Median age at diagnosis (years), range | 53 (31 - 83) | |
Total | 97 | |
Tumor size at the primary tumor | ||
≤ 2.0 cm | 51 | 52.6 |
2.0 cm < | 46 | 47.4 |
No. of positive nodes at the primary tumor | ||
0 | 46 | 47.4 |
1-3 | 27 | 27.8 |
4≤ | 21 | 21.6 |
Unknown | 3 | 3.1 |
Nuclear grade at the primary tumor | ||
1 | 16 | 16.5 |
2 | 50 | 51.5 |
3 | 19 | 19.6 |
Unknown | 12 | 2.1 |
Lymphatic invasion at the primary tumor | ||
0 | 27 | 27.8 |
1+ | 51 | 52.6 |
2+ | 17 | 17.5 |
Unknown | 2 | 2.1 |
ER at the primary tumor | ||
Positive | 62 | 63.9 |
Negative | 35 | 36.1 |
PgR at the primary tumor | ||
Positive | 55 | 56.7 |
Negative | 42 | 43.3 |
HER2 at the primary tumor | ||
Positive | 22 | 22.7 |
Negative | 75 | 77.3 |
p53 at the primary tumor | ||
Positive | 22 | 22.7 |
Negative | 75 | 77.3 |
Ki-67 index at the primary tumor | ||
Positive | 12 | 12.4 |
Negative | 85 | 87.6 |
DFI at recurrence | ||
< 2 years | 19 | 19.6 |
2-5 years | 33 | 34.0 |
5 years ≤ | 45 | 46.4 |
Sites of biopsied recurrence | ||
Chest wall | 39 | 40.2 |
In-breast | 34 | 35.1 |
Regional lymph node | 11 | 11.3 |
Lung | 3 | 3.1 |
Bone | 1 | 1.0 |
Brain | 3 | 3.1 |
Ovary | 3 | 3.1 |
Distant skin | 3 | 3.1 |
Distant metastasis at biopsy | ||
With | 33 | 34.0 |
Without | 64 | 66.0 |
Median Ki-67 value (%) at the primary tumor, range | 27.0 (1-91) | |
Median DFI (months), range | 57.4 (1-281) |