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

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pT1: Tumor limited to one subsite of hypopharynx and/or 2 cm or less in greatest dimension

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pT2: Tumor invades more than one subsite of hypopharynx or an adjacent site, or measures more than 2 cm but not more than 4 cm in greatest dimension without fixation of hemilarynx

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pT3: Tumor measures more than 4 cm in greatest dimension or with fixation of hemilarynx or extension to esophagus

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pT4a: Moderately advanced local disease. Tumor invades thyroid/cricoid cartilage, hyoid bone, thyroid gland, or central compartment soft tissue#

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pT4b: Very advanced local disease. Tumor invades prevertebral