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喉癌TNM分期英文版Primarytumor(T)TX:Primarytumorcannotbeassessed·T0:Noevidenceofprimarytumor·Tis:Carcinomainsitu·SupraglottisT1:Tumorlimitedtoonesubsite*ofsupraglottiswithnormalvoc·alcordmobilityT2:Tumorinvadesmucosaofmorethanoneadjacentsubsite*o·fsupraglottisorglottisorregionoutsidethesupraglottis(e.g.,mucosaofbaseoftongue,vallecula,ormedialwallofpyriformsinus)withoutfixationofthelarynxT3:Tumorlimitedtolarynxwithvocalcordfixationand/orinvad·esanyofthefollowing:postcricoidarea,pre-epiglottictissues,paraglotticspace,and/orminorthyroidcartilageerosion(e.g.,innercortex)T4a:Tumorinvadesthroughthethyroidcartilage,and/orinvades·tissuesbeyondthelarynx(e.g.,trachea,softtissuesoftheneckincludingdeepextrinsicmuscleofthetongue,strapmuscles,thyroid,oresophagus)T4b:Tumorinvadesprevertebralspace,encasescarotidartery,o·rinvadesmediastinalstructuresSubsitesincludethefollowing:·Ventricularbands(falsecords)·Arytenoids·Suprahyoidepiglottis·Infrahyoidepiglottis·Aryepiglotticfolds(laryngealaspect)·[Note:Supraglottisinvolvesmanyindividualsubsites.Relapse-fre·esurvivalmaydifferbysubsiteandbyTandNgroupingswithinstage.]GlottisT1:Tumorlimitedtothevocalcord(s),whichmayinvolveanterio·rorposteriorcommissure,withnormalmobilityT1a:Tumorlimitedtoonevocalcord·T1b:Tumorinvolvesbothvocalcords·T2:Tumorextendstosupraglottisand/orsubglottisand/orwithi·mpairedvocalcordmobilityT3:Tumorlimitedtothelarynxwithvocalcordfixationand/orin·vadesparaglotticspace,and/orminorthyroidcartilageerosion(e.g.,innercortex)T4a:Tumorinvadesthroughthethyroidcartilageand/orinvades·tissuesbeyondthelarynx(e.g.,trachea,softtissuesofneck,includingdeepextrinsicmuscleofthetongue,strapmuscles,thyroid,oresophagus)T4b:Tumorinvadesprevertebralspace,encasescarotidartery,o·rinvadesmediastinalstructures[Note:Glotticpresentationmayvarybyvolumeoftumor,anatom·icregioninvolved,andthepresenceorabsenceofnormalcordmobility.Relapse-fr
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