# publisher
Agence du Numérique en Santé(ANS) -2 - 10 Rue d'Oradour-sur-Glane, 75015 Paris

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pT1: Tumor limited to the vocal cord(s) (may involve anterior or posterior commissure) with normal mobility

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pT2: Tumor extends to supraglottis and/or subglottis and/or with impaired vocal cord mobility

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pT3: Tumor limited to the larynx with vocal cord fixation and/or invades paraglottic space and/or minor thyroid cartilage erosion (eg, inner cortex) (Note H)

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pT4a: Moderately advanced local disease. Tumor invades through the outer cortex of the thyroid cartilage and/or invades tissues beyond the larynx (eg, trachea, soft tissues of neck including deep extrinsic muscle of the tongue, strap muscles, thyroid, or esophagus) (Note H)

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pT4b: Very advanced local disease. Tumor invades prevertebral space, encases carotid artery, or invades mediastinal structures