Table I.
Breast cancer patient characteristics (n=35).
| Characteristic | Value |
|---|---|
| Age, years | |
| Median | 61.2 |
| Range | 28–81 |
| Tumor type, n | |
| No special type | 30 |
| Lobular | 4 |
| Mucinous | 1 |
| Tumor gradea, n | |
| G2 | 19 |
| G3 | 12 |
| Pathological tumor size, n | |
| pT1 | 20 |
| pT2 (>2 cm, ≤5 cm) | 15 |
| Tumor size, cm | |
| Median | 1.7 |
| Range | 0.7–3.5 |
| Number of sentinel nodes removed | |
| Median | 1.86 |
| Range | 1–5 |
| Sentinel node status, n | |
| pN0 | 26 |
| pNmic | 5 |
| pN1 | 3 |
| pN2 | 1 |
| Receptor status, n | |
| ER-positive | 29 |
| ER-negative | 6 |
| PR-positive | 23 |
| PR-negative | 12 |
| HER2-positive | 5 |
| HER2-negative | 29 |
| HER2-unknown | 1 |
a
Elston-Ellis modification of Bloom-Richardson scale. pT1, tumors ≤2 cm; pT2, tumors >2 cm and ≤5 cm; pN0, lymph node without metastases; pN1mic, lymph node with micrometastasis (>0.2 mm, ≤2 mm); pN1, macrometastases (>2 mm) in 1–3 lymph nodes; pN2, macrometastases in 4–9 lymph nodes; ER, estrogen receptor; PR, progesterone receptor; HER2, human epidermal growth factor receptor 2.