Table 1.
Patient, tumor, and treatment characteristics at initial presentation
| No. of patients | % | |
|---|---|---|
| Age (y) | ||
| Median | 49 | |
| Range | 23-78 | |
| Primary tumor | ||
| Left | 33 | 49 |
| Right | 34 | 51 |
| Tumor location | ||
| Medial | 32 | 48 |
| Central | 13 | 19 |
| Outer | 22 | 33 |
| Multicentric | ||
| Yes | 22 | 33 |
| No | 45 | 67 |
| Tumor stage | ||
| pT1 | 30 | 45 |
| pT2 | 28 | 42 |
| pT3 | 6 | 9 |
| pT4 | 3 | 4 |
| Nodal stage | ||
| pN0 | 24 | 36 |
| pN1 | 29 | 43 |
| pN2 | 4 | 6 |
| pN3 | 10 | 15 |
| Breast cancer subtype | ||
| HR positive | 27 | 40 |
| HER2 positive | 4 | 6 |
| Triple negative | 36 | 54 |
| Inflammatory | ||
| Yes | 8 | 12 |
| No | 59 | 88 |
| LVI | ||
| Absent | 32 | 48 |
| Present | 35 | 52 |
| Initial surgery | ||
| Lumpectomy | 25 | 37 |
| Mastectomy | 42 | 63 |
| Chemotherapy | ||
| None | 6 | 9 |
| Neoadjuvant | 20 | 30 |
| Adjuvant | 41 | 61 |
| Adjuvant RT | ||
| Postlumpectomy | 23 | 92 |
| Postmastectomy | 20 | 48 |
Abbreviations: HR = hormone receptor; LVI = lymphovascular invasion; RT = radiation therapy.