| n (%) | ||
| Histology (n = 252) | Squamous cell carcinoma | 125 (49.6) |
| Undifferentiated nasopharyngeal carcinoma | 27 (10.7) | |
| Sarcoma | 18 (7.2) | |
| Adenocarcinoma | 16 (6.4) | |
| Others | 14 (5.6) | |
| Mucoepidermoid carcinoma | 12 (4.8) | |
| Thyroid follicular carcinoma | 9 (3.6) | |
| Thyroid papillary carcinoma | 7 (2.8) | |
| Lymphoma | 7 (2.8) | |
| Carcinoma NOS | 6 (2.4) | |
| Adenoid cystic carcinoma | 5 (2.0) | |
| Undifferentiated carcinoma | 4 (1.6) | |
| Thyroid anaplastic carcinoma | 1 (0.4) | |
| Neuroendocrine carcinoma | 1 (0.4) | |
| Cancer stage | I | 5 (2.0) |
| II | 19 (7.5) | |
| III | 37 (14.7) | |
| IV | 120 (47.6) | |
| Recurrent | 1 (0.4) | |
| Unknown | 70 (27.8) | |