T: Tumor in the nasopharynx
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T*: Tumor in the nasopharynx
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T1: Tumor confined to the nasopharynx, nasal cavity, or oropharynx
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T1*: As per AJCC T1 and with tumor volume ≤38 cm3
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T2: Tumor with parapharyngeal extension
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T2*: As per AJCC T2 and/or T3, and with tumor volume ≤38 cm3
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T3: Tumor that invades bony structures and/or the paranasal sinuses
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T3*: As per AJCC T4 and/or all tumors with a volume >38 cm3
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T4: Tumor with intracranial extension and/or involvement of the cranial nerve, infratemporal fossa, hypopharynx, or orbit
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