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 |