Table 1 Patient characteristics
No. of patients | % | |
|---|---|---|
Age, years | ||
<50 | 45 | 30.0 |
≥50 | 105 | 70.0 |
Tumor size, cm | ||
≤2 | 95 | 63.3 |
>2, ≤5 | 53 | 35.3 |
>5 | 2 | 1.3 |
Tumor location | ||
Upper outer | 82 | 54.7 |
Upper inner | 30 | 20.0 |
Lower outer | 24 | 16.0 |
Lower inner | 4 | 2.7 |
Central | 8 | 5.3 |
Multicentric | 2 | 1.3 |
Tumor histology | ||
Invasive ductal | 132 | 88.0 |
Invasive lobular | 7 | 4.7 |
Ductal carcinoma in situ | 7 | 4.7 |
Others | 4 | 2.7 |
Type of surgery | ||
Lumpectomy | 146 | 96.7 |
Mastectomy | 4 | 3.3 |
Estrogen receptor | ||
Positive | 123 | 82.0 |
Negative | 27 | 18.0 |
HER-2/neu | ||
Positive | 19 | 12.7 |
Negative | 131 | 87.3 |