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Lymph node numbers in different node groups.
| Lower LN | Upper LN group | Total | |||
|---|---|---|---|---|---|
| SLN | Non-SLN | SLN + non-SLN | |||
| Sum of LN | 232 | 685 | 917 | 586 | 1503 |
| Mean number of nodes per patient | 3.22 ± 1.47 | 9.51 ± 3.34 | 12.74 ± 3.50 | 8.14 ± 3.20 | 20.94 ± 4.83 |
SLN: sentinel lymph nodes group; non-SLN: nonsentinel lymph nodes group.
