Collaborative Stage for TNM 7 - Revised 06/07/2011  [ Schema ]

Thyroid

CS Extension

CodeDescriptionTNM 7 MapTNM 6 MapSS77 MapSS2000 Map
000In situ, intraepithelial, noninvasive^*ISIS
100Single invasive tumor confined to thyroid^*LL
200Multiple foci confined to thyroid^*LL
300Localized, NOS^*LL
400Into thyroid capsule, but not beyond^*LL
405Stated as T1a with no other information on extension^*LL
410Stated as T1b with no other information on extension^*LL
415Stated as T1 [NOS] with no other information on extension^*LL
420Stated as T2 with no other information on extension^*LL
450Minimal extrathyroid extension including:
    Strap muscle(s):
        Omohyoid
        Sternohyoid
        Sternothyroid
        Thyrohyoid
^*RERE
480Pericapsular soft tissue/connective tissue^*RERE
490Stated as T3 with no other information on extension^*LL
500Parathyroid
Nerves:
    Recurrent laryngeal
    Vagus
^*RERE
520Cricoid cartilage
Esophagus
Larynx
Sternocleidomastoid muscle
^*RERE
550Trachea^*DD
560Stated as T4a with no other information on extension^^T4a****
600Thyroid cartilage
Tumor described as "FIXED to adjacent tissues"
^^T4bRERE
620Blood vessel(s) (major):
    Carotid artery (encased)
    Jugular vein
    Thyroid artery or vein
^^T4bRERE
650(600 or 620) + 550  

Any structures in code 600 or 620 plus trachea
^^T4bDD
700Bone
Skeletal muscle, other than strap or sternocleidomastoid muscle
^^T4bDD
720OBSOLETE DATA CONVERTED V0200
See code 550 

Trachea
ERRORERRORERRORERROR
730700 + 550

Any structures in code 700 plus trachea
^^T4bDD
800Further contiguous extension including:
    Mediastinal tissues
    Prevertebral fascia
^^T4bDD
810Stated as T4b with no other information on extension^^T4bDD
815Stated as T4 [NOS] with no other information on extension^^T4NOSRERE
950No evidence of primary tumor^*UU
999Unknown; extension not stated
Primary tumor cannot be assessed
Not documented in patient record
^*UU