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Frequency of head and neck metastatic tumors at Iran Cancer Institute (1991-2011) based on the site of metastasis
| Site of metastasis | Frequency | % |
|---|---|---|
| Cervical musculature | 5 | 29.2 |
| Scalp | 4 | 23.6 |
| Parotid gland | 2 | 11.8 |
| Mandible bone | 1 | 5.9 |
| Buccal mucosa | 1 | 5.9 |
| Tongue | 1 | 5.9 |
| Larynx | 1 | 5.9 |
| Sub-mandibular salivary gland | 1 | 5.9 |
| Brain | 1 | 5.9 |
| Total | 17 | 100 |
