Table 3.
Further nodal involvement in ALND specimena
| Characteristic | n | % |
|---|---|---|
| Macro (n = 200) | ||
| No further involvement | 117 | 59 |
| 1–3 nodes | 65 | 32 |
| 4–9 nodes | 10 | 5 |
| >9 nodes | 8 | 4 |
| Micro (n = 84) | ||
| No further involvement | 69 | 82 |
| 1–3 nodes | 10 | 12 |
| 4–9 nodes | 3 | 4 |
| >9 nodes | 2 | 2 |
| ITC (n = 33) | ||
| No further involvement | 27 | 82 |
| 1–3 nodes | 5 | 15 |
| 4–9 nodes | 1 | 3 |
| >9 nodes | 0 | 0 |
aFurther nodal involvement shown in correlation with the size of the sentinel node metastases in the patients randomized to ALND arm. ALND axillary lymph node dissection; Macro macrometastases (>2 mm); Micro micrometastases (0.2–2 mm); ITC isolated tumor cells (<0.2 mm)