Collaborative Stage for TNM 7 - Revised 09/26/2010  [ Schema ]

LarynxOther

CS Extension

CodeDescriptionTNM 7 MapTNM 6 MapSS77 MapSS2000 Map
000In situ, intraepithelial, noninvasiveTisTisISIS
100Invasive tumor confined to site of origin

Stated as T1 with no other information on extension
T1T1LL
200Tumor involves more than one subsite of supraglottis or glottis
WITHOUT fixation or NOS
T2T2LL
300Tumor involves adjacent regions(s) of larynxT2T2LL
350Impaired vocal cord mobilityT2T2LL
375Stated as T2 with no other information on extensionT2T2LL
400OBSOLETE DATA RETAINED AND REVIEWED V0203
See codes 410, 630

Tumor limited to larynx WITH vocal cord fixation
Stated as T3 with no other information on extension
T3T3LL
410Tumor limited to larynx  WITH vocal cord fixationT3T3LL
450Localized, NOST1T1LL
500Invasion of inner cortex of thyroid cartilageT3T3RERE
600Base of tongue
Hypopharynx, NOS
Postcricoid area
Pre-epiglottic tissues
Pyriform sinus (pyriform fossa)
Vallecula
T3T3RERE
630Stated as T3 with no other information on extensionT3T3LL
680Extension to/through cricoid cartilage and thyroid cartilage
(See code 500)
T4aT4aRED
700Extension to/through:
    Cervical esophagus
    Deep extrinsic muscle(s) of tongue
    Strap muscle(s):
        Omohyoid
        Sternohyoid
        Sternothyroid
        Thyrohyoid
    Oropharynx
    Skin
    Soft tissues of neck
    Thyroid gland
    Trachea
T4aT4aDD
775Stated as T4a with no other information on extensionT4aT4aRERE
800Further contiguous extension, including:
    Carotid artery (encased)
    Mediastinal structures
    Prevertebral space
T4bT4bDD
810Stated as T4b with no other information on extensionT4bT4bDD
815Stated as T4 [NOS] with no other information on extensionT4NOST4NOSRERE
950No evidence of primary tumorT0T0UU
999Unknown; extension not stated
Primary tumor cannot be assessed
Not documented in patient record
TXTXUU