Collaborative Stage for TNM 7 - Revised 09/30/2010  [ Schema ]

EpiglottisAnterior

CS Extension

CodeDescriptionTNM 7 MapTNM 6 MapSS77 MapSS2000 Map
000In situ, intraepithelial, noninvasiveTisTisISIS
100Invasive tumor confined to anterior surface of epiglottis with normal vocal cord mobility

Stated as T1 with no other information on extension
T1T1LL
200OBSOLETE DATA CONVERTED V0200
See code 305

Mucosa of adjacent subsite(s) of oropharynx
ERRORERRORERRORERROR
300Localized, NOST1T1LL
305Mucosa of adjacent subsite(s) of oropharynxT2T2LL
310Mucosa of vallecula without fixation of larynxT2T2LL
320Mucosa of adjacent subsite(s) of supraglottis (including posterior surface of epiglottis)
WITHOUT fixation of larynx
T2T2RERE
330Larynx, glottic or NOS
WITHOUT fixation of larynx
T2T2RERE
340Mucosa of pyriform sinus, medial wall or NOS
WITHOUT fixation of larynx
T2T2RERE
350Mucosa of base of tongue
WITHOUT fixation of larynx
T2T2RERE
355Stated as T2 with no other information on extensionT2T2LL
360Any structure coded in 200 to 350
WITH vocal cord fixation
T3T3RERE
370Paraglottic space
Pre-epiglottic tissues
T3T3RERE
380Inner cortex of thyroid cartilage (minor erosion)T3T3DD
390Hypopharynx, NOS
Postcricoid area
Pyriform sinus except medial wall
(See code 340)
T3T3RERE
430390 + 280

Any structure in 390 plus minor thyroid cartilage erosion
T3T3DD
435Stated as T3 with no other information on extensionT3T3RERE
450Soft palate, inferior surface including uvula
Soft palate, NOS
T4aT4aRERE
470Nasopharynx, NOS
Soft palate, superior (nasopharyngeal) surface
T4aT4aRERE
500Deep tissues of base of tongue
Buccal mucosa (inner cheek)
Floor of mouth
Gum (gingiva)
T4aT4aRERE
620Soft tissues of neckT4aT4aRERE
650Pterygoid muscleT4aT4aRERE
660(450 to 650) + (380 or 430)

Any structure in 450 to 650 plus inner cortex of thyroid cartilage
T4aT4aDD
670Invasion of, through outer cortex of thyroid cartilage
Thyroid cartilage, NOS
(See also code 380)
T4aT4aDD
680TracheaT4aT4aDD
690Esophagus
Strap muscles:
    Omohyoid
    Sternohyoid
    Thyrohyoid
Thyroid
T4aT4aDD
700Extrinsic muscles of tongue:
    Genioglossus
    Geniohyoid
    Hyoglossus
    Mylohyoid
    Palatoglossus
    Styloglossus
T4aT4aDD
725Stated as T4a with no other information on extensionT4aT4aRERE
750Prevertebral fascia or muscle
Prevertebral space
T4bT4bRERE
770750 + (660 - 700)

Any structure in 750 plus any structure coded in 660 through 700
T4bT4bDD
800Further contiguous extension, including:
    Anterior 2/3 of tongue
    Bone
    Carotid artery (encased)
    Hard palate
    Mandible
    Mediastinal structures
    Parotid gland
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