Table 1 Grouping criteria for LPNM
Characteristic | High-risk group (n = 14) | Low-risk group (n = 15) |
|---|---|---|
LPNs Location | ||
Obturator or the external iliac vessel region | 4 (28.6) | 15 (100.0) |
Other | 10 (71.4) | 0 (0) |
Distant metastasis | ||
Presence | 4 (28.6) | 0 (0) |
Absence | 10 (71.4) | 15 (100.0) |
The number of LPNs | ||
< 2 | 5 (35.7) | 15 (100.0) |
≥ 2 | 9 (64.3) | 0 (0) |