Table 2.
Level of lymph node involvement in 68 patients with pN+ and 35 pN+ who underwent SND.
| Neck Side | Lymph Node Level | Total Number of Positive Necks (81 Necks a) | SND (39 Necks a) |
|---|---|---|---|
| Ipsilateral | I | 28 | 23 |
| I + II | 6 | 3 | |
| I + II + III | 3 | 0 | |
| I + II + III + IV | 1 | 0 | |
| I + II + III + V | 1 | 0 | |
| I + II + III + IV + V | 1 | 0 | |
| I + III | 4 | 0 | |
| I + III + IV | 1 | 0 | |
| II | 12 | 6 | |
| II + III | 3 | 0 | |
| III | 7 | 4 | |
| Contralateral | I | 9 | 2 |
| I + II | 1 | 0 | |
| I + II + III + IV | 2 | 0 | |
| II + III | 1 | 0 | |
| III | 1 | 1 |
pN+, pathologically node-positive; SND, selective neck dissection; a, number of positive necks.