Review Article
Focus Issue: Neck Dissection for Oropharyngeal Squamous Cell Carcinoma
Table 2
Nodal staging of OPSCC based on the American Joint Commission on Cancer [
20].
| Stage | Nodal involvement |
| NX | The neck cannot or was not assessed. | N0 | No nodal metastases; neck was evaluated. | N1 | Single node, ipsilateral to primary tumor; ≤3 cm. | N2a | Single node, ipsilateral to primary tumor; 3–6 cm. | N2b | Multiple nodes, ipsilateral to primary tumor; ≤6 cm. | N2c | Single or multiple node; contralateral neck involved; all ≤6 cm. | N3 | One or more nodes > 6 cm regardless of multiplicity or laterality. |
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