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Comparison with the localization of the tumour, cervical metastasis
| Tumour localization | Number of cases | Number of cervical metastasis | Cervical metastasis % | Number of occult metastasis | Occult metastasis % | Number of false (+) | False (+) % |
|---|---|---|---|---|---|---|---|
| Supraglottic | 38 | 21 | 55.2 | 11 | 28.9 | - | - |
| Glottic | 6 | - | - | - | - | - | - |
| Transglottic | 74 | 26 | 35.1 | 14 | 18.9 | 6 | 8 |
| Subglottic | - | - | - | - | - | - | - |
