Head and Neck Cancer

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Questions to Ask Your Doctor about Head and Neck Cancer
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Staging

See Staging for general staging rules. Supraglottic, glottic and subglottic tumors are staged separately as follows:

Supraglottic Tumors

TX	Primary tumor cannot be assessed
T0	No existence of primary tumor
Tis	Carcinoma in situ
T1	Tumor confined to site of origin with normal mobility of vocal cords.
T2	Tumor involves adjacent supraglottic site(s) or glottis without fixation of vocal cords.
T3	Tumor limited to larynx with fixation of extension to involve postcricoid area, medial wall of pyriform sinus, or preepiglottic space.
T4	Massive tumor extending beyond larynx to involve oropharynx, soft tissues of neck, or destruction of thyroid cartilage.

Glottic Tumors

TX	Primary tumor cannot be assessed
T0	No existence of primary tumor
Tis	Carcinoma in situ
T1	Tumor confined to vocal cord(s) with normal mobility.
T2	Supraglottic or subglottic extension of tumor with normal or impaired cord mobility.
T3	Tumor confined to the larynx with cord fixation.
T4	Massive tumor with thyroid cartilage destruction or extension beyond the confines of the larynx.

Subglottic Tumors

TX	Primary tumor cannot be assessed
T0	No existence of primary tumor
Tis	Carcinoma in situ
T1	Tumor confined to the subglottal area.
T2	Tumor extension to vocal cords with normal or impaired cord mobility.
T3	Tumor confined to the larynx with cord fixation.
T4	Massive tumor with cartilage destruction or extension beyond confines of larynx, or both.

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