Table 2.
Characteristics of sentinel node and non sentinel node
| Number | Percent | |
|---|---|---|
| N° of SLN Examined | ||
| 1 | 1273 | 51.7 |
| 2 | 801 | 32.6 |
| 3 | 277 | 11.3 |
| 4 | 88 | 3.5 |
| 5 | 17 | 0.7 |
| 6 | 4 | 0.2 |
| N° of positive SLN | ||
| 1 | 1765 | 71.8 |
| 2 | 527 | 21.4 |
| 3 | 136 | 5.5 |
| 4 | 29 | 1.2 |
| 5 | 3 | 0.1 |
| SLN Micrometastases | 977 | 39.7 |
| SLN Macrometastases | 1483 | 60.3 |
| Median (range) | 14 (2–47) | |
| N° of NSLNs removed mean | 14.8 | |
| N° of positive NSLNs | 829 | 33.7 |
| Median (range) | 2 (1–30) | |
| Mean | 3.2 | |
| N Ratio: N° SLN / N° SLN removed | ||
| <0.25 | 23 | 0.9 |
| 0.25–0.50 | 491 | 20.0 |
| 0.50–1.00 | 111 | 4.5 |
| 1 .00 | 1835 | 74.6 |
| N° of Copies (Highest copy number) | ||
| ≤1500 | 615 | 25.0 |
| >1500–12,000 | 636 | 25.9 |
| >12,000–111,000 | 608 | 24.7 |
| >111,000 | 601 | 24.4 |
| N° of Copies (Total Tumor Load) | ||
| ≤1500 | 607 | 24.7 |
| >1500–12,000 | 625 | 25.4 |
| >12,000–111,000 | 612 | 24.9 |
| >111,000 | 616 | 25.0 |
*multiple stands for multifocality