Table 1 Patient demographic data
Characteristic | Total (n = 77) | % |
|---|---|---|
Age, yr | ||
Mean (SD) | 53.09 (11.31) | |
Range | 27.16–75.72 | |
Tumor size, cm | ||
Mean (SD) | 2.44 (1.34) | |
Range | 0.10–7.00 | |
Tumor side | ||
Right | 33 | 42.86 |
Left | 44 | 57.14 |
Tumor histological type | ||
Ductal | 72 | 93.51 |
Lobular | 4 | 5.19 |
Other | 1 | 1.3 |
Tumor grading | ||
1 | 7 | 9.09 |
2 | 41 | 53.25 |
3 | 25 | 32.47 |
Not applicable | 4 | 5.19 |
ER | ||
Positive | 52 | 67.53 |
Negative | 25 | 32.47 |
PR | ||
Positive | 52 | 67.53 |
Negative | 25 | 32.47 |
Her2 | ||
Positive | 25 | 32.47 |
Negative | 52 | 67.53 |
Cytology report | ||
Malignancy | 20 | 25.97 |
Negative for malignant cells | 51 | 66.23 |
Atypia | 4 | 5.19 |
Unsatisfactory specimen | 2 | 2.6 |
Surgical pathology of LN | ||
Positive | 38 | 49.35 |
Negative | 39 | 50.65 |
Tumor size (pT staging) | ||
Tis | 4 | 5.19 |
T1mi | 3 | 3.9 |
T1a | 3 | 3.9 |
T1b | 2 | 2.6 |
T1c | 20 | 25.97 |
T2 | 38 | 49.35 |
T3 | 6 | 7.79 |
T4 | 1 | 1.3 |
Lymph node number (pN staging) | ||
N0 | 39 | 50.65 |
N1 | 24 | 31.17 |
N2 | 10 | 12.99 |
N3 | 4 | 5.19 |
Lymphovascular invasion | ||
Present | 46 | 59.74 |
Not identified | 20 | 25.97 |
Not available | 11 | 14.29 |