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- Five-Year Survival 60 to 70 percent
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- Stage III
- Standard Treatment
- • Maxillary sinus: Surgery with high-dose pre- or postoperative radiotherapy .
- • Ethmoid sinus: Extensive surgery followed by radiotherapy.
- • Sphenoid sinus: Radiotherapy.
- • Nasal cavity: Surgery or radiotherapy alone. Usually postoperative radiotherapy is preferred.
- • Inverting papilloma: Same as Stage II. Radiotherapy may be needed if further surgery is unsuccessful.
- • Melanomas and sarcomas: Surgery if possible, otherwise radiotherapy.
- • Midline granuloma: Radiotherapy.
- • Nasal vestibule: Radiation first and surgery later if needed.
- Clinical trials are in progress for ethmoid sinus and nasal cavity tumors, using chemotherapy combinations in addition to surgery or radiotherapy.
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- Five-Year Survival 25 to 35 percent
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