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T3
T2
T1
T4
STAGING
HYPOPHARYNX
Tumor limited to one subsite of the hypopharynx and/or less than 2 cm in its greatest dimension
Tumor invades more than one subsite of the hypopharynx or an adjacent site, or measures
more than 2 cm but less than 4 cm in its greatest diameter without fixation of the hemilarynx
Tumor more than 4 cm in its greatest dimension with fixation of the hemilarynx
T4a:
Tumor invades thyroid/cricoid cartilage, hyoid bone, thyroid gland, esophagus or central
compartment soft tissue (prelaryngeal strap muscles and subcutaneous fat)
T4b:
Tumor invades prevertebral fascia, encases the carotid artery or involves mediastinal
structures
mercoledì 29 giugno 16