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Location of primary and recurrent tumor.
| Tumor location | Primary location | Recurrence location |
|---|---|---|
| Ethmoid | 26 (56.52%) | 11 (73.34%) |
| Maxillary | 21 (45.65%) | 10 (66.67%) |
| Lateral nasal wall | 8 (17.39%) | 4 (26.67%) |
| Papiracea | 6 (13.04%) | 2 (13.34%) |
| Frontal recess | 3 (6.52%) | 2 (13.34%) |
| Skull base | 3 (6.52%) | 1 (6.67%) |
| Inferior turbinate | 2 (4.35%) | 0 |
| Sphenoid | 1 (2.17%) | 0 |
| Nasal septum | 1 (2.17%) | 0 |
