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