Table 1. Clinical tumor (T) and lymph node (N) classification of the head and neck squamous cell carcinoma (HNSCC) patients.
| N stage | 0 | 1 | 2 | 3 | Total | |
| T stage | 1 | 1 | 1 | 1 | 0 | 3 |
| 2 | 2 | 0 | 1 | 0 | 3 | |
| 3 | 1 | 0 | 3 | 0 | 4 | |
| 4 | 0 | 0 | 0 | 0 | 0 | |
| Total | 4 | 1 | 5 | 0 | 10 |
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