Table 2. Tumor, node, and metastases (TNM) staging and T stage of each subsite (n = 122).
N0 | N1 | N2a | N2b | N2c | N3 | |
---|---|---|---|---|---|---|
T1 | 1 | 4 | 3 | 6 | 1 | 1 |
T2 | 5 | 9 | 5 | 8 | 4 | 1 |
T3 | 10 | 6 | 2 | 6 | 6 | 2 |
T4 | 9 | 7 | 8 | 9 | 9 | 0 |
T stage | Nasopharynx | Oropharynx | Larynx | Hypopharynx | Oral cavity | |
T1 | 0 | 15 | 0 | 1 | 0 | |
T2 | 4 | 18 | 2 | 5 | 3 | |
T3 | 1 | 18 | 7 | 4 | 2 | |
T4 | 2 | 23 | 3 | 6 | 8 |