Collaborative Stage for TNM 7 - Revised 11/16/2010 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map | 
| 000 | In situ, intraepithelial, noninvasive | NA | NA | IS | IS | 
| 100 | OBSOLETE DATA RETAINED V0200 Invasive tumor confined to site of origin  | ERROR | NA | L | L | 
| 105 | Tumor confined to mucosa of site of origin | T3 | NA | L | L | 
| 300 | Localized, NOS | T3 | NA | L | L | 
| 400 | OBSOLETE DATA RETAINED V0200 More than one region of pharynx involved (oropharynx, nasopharynx, hypopharynx)  | ERROR | NA | RE | RE | 
| 405 | Mucosa only of more than one region of pharynx involved: Oropharynx Nasopharynx Hypopharynx | T3 | NA | RE | RE | 
| 430 | Mucosa only of pharynx and oral cavity involved | T3 | NA | RE | RE | 
| 470 | Stated as T3 with no other information on extension | T3 | NA | L | L | 
| 500 | OBSOLETE DATA RETAINED V0200 Pharynx and oral cavity involved  | ERROR | NA | RE | RE | 
| 530 | Involvement of deep soft tissue or musculature of any structure in code 105 | T4a | NA | L | L | 
| 535 | 530 + (400 or 500) Involvement of deep soft tissue or musculature of any structure in code 105 with mucosal involvement of any structure in code 405 or 430  | T4a | NA | RE | RE | 
| 540 | Involvement of deep soft tissue or musculature of any structure in code 405 or 430 | T4a | NA | RE | RE | 
| 550 | Any of codes 105-430 WITH fixation | T4a | NA | RE | RE | 
| 600 | Extension to adjacent structures  (See Note 1)  | T4a | NA | RE | RE | 
| 725 | Stated as T4a with no other information on extension | T4a | NA | L | L | 
| 800 | Contiguous extension: Carotid artery (encased) Mediastinal structures Prevertebral space  | T4b | NA | D | D | 
| 801 | Further contiguous extension including: Base of skull Brain Dura Lower cranial nerves (IX, X, XI, XII) Masticator space  | T4b | NA | D | D | 
| 810 | Stated as T4b with no other information on extension | T4b | NA | D | D | 
| 815 | Stated as T4 [NOS ] with no other information on extension | T4NOS | NA | L | L | 
| 950 | OBSOLETE DATA RETAINED V0200 No evidence of primary tumor  | ERROR | NA | U | U | 
| 999 | Unknown; extension not stated Primary tumor cannot be assessed Not documented in patient record  | NA | NA | U | U |