TNM Staging of Head and Neck Cancer and Neck Dissection Classification

DISTANT METASTASIS (M) MX Distant metastasis cannot be assessed M0 No distant metastasis M1 Distant metastasis H. TNM Staging for the Larynx, Oropharynx, Hypopharynx, Oral Cavity, Salivary Glands, and Paranasal Sinuses

Stage Grouping Stage 0

Tis T1 T2 T3 T1 T2 T3

N0 N0 N0 N0

M0 M0 M0 M0 M0 M0 M0 M0 M0 M0 M0 M0 M0

Stage I Stage II Stage III

N1 N1 N1

Stage IVA

T4a T4a

N0 N1 N2 N2 N2 N2 N3

T1 T2 T3

T4a

Stage IVB

Any T

M

T4b

Any N Any N

M0

Stage IVC

Any T

M1

Clinical Stage Grouping by T and N Status N T1 T2 T3

T4a IVa IVa IVa IVb

T4b IVb IVb IVb IVb

N0 N1 N2 N3

I

II

III III

III

III

IVa IVb

IVa IVb

IVa IVb

18 TNM Staging of Head and Neck Cancer and Neck Dissection Classification