| CODE/DESCRIPTION | 
- 
- DESCRIPTION:    In situ
 
 
- 
- DESCRIPTION:    Unknown
 
 
- 
- DESCRIPTION:    Invasive tumor confined to sinus
 
 
- 
- DESCRIPTION:    Localized, NOS
 
 
- 
- DESCRIPTION:    Invasion of infrastruture
 
 
- 
- DESCRIPTION:    Invasion of suprastructure
 
 
- 
- DESCRIPTION:    Invasion of maxilla, NOS
 
 
- 
- DESCRIPTION:    Nasophar, ethmoid, sphenoid, palate, etc
 
 
- 
- DESCRIPTION:    Further extension
 
 
- 
- DESCRIPTION:    Metastasis
 
 
 
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