NOTE

🌱 created from: nasopharyngeal_carcinoma

staging_of_nasopharyngeal_carcinoma

• T0

• No tumor identified, but EBV-positive cervical LN

• T1

• Confined to NP or extends to OP &/or nasal cavity w/o posterolateral infiltration

• T2

• Parapharyngeal extension &/or involvement of prevertebral muscles

• T3

• Bony involvement of skull base, cervical vertebra, &/or paranasal sinuses

• T4

• Intracranial extension &/or involvement of CN, hypopharynx, orbit, parotid gland, or w/ extension to the infratemporal fossa/masticator space

• N0

• No LN mets

• N1

• Unilateral cervical LN ≤6 cm &/or unilateral or bilateral retropharyngeal LN ≤6 cm above caudal border of cricoid cartilage

• N2

• Bilateral cervical LN ≤6 cm, above caudal border of cricoid cartilage

• N3

• (a) LN >6 cm (b) extension below caudal border of cricoid cartilage

• M0

• No distant met

• M1

• Distant met

• Stage I: T1 N0; stage II: T0–1 N1 or T2 N0–1; stage III: T0–2 N2 or T3 N0–3; stage IVA: T4 N0–N2, M0 or Any T & N3, M0; stage IVB: Any T, any N, M1