Collaborative Stage for TNM 7 - Revised 10/24/2010 [ 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 on one side confined to mucoperiosteum (stroma)  | ERROR | NA | L | L | 
| 105 | Tumor confined to mucosa of hard palate on one side | T3 | NA | L | L | 
| 300 | Localized, NOS | T3 | NA | L | L | 
| 400 | OBSOLETE DATA RETAINED V0200 Tumor crosses midline  | ERROR | NA | L | L | 
| 405 | Tumor confined to mucosa of hard palate and crossing midline | T3 | NA | L | L | 
| 410 | Extension involving mucosa only: Buccal mucosa (inner cheek) Gingiva, upper Glossopalatine arch Pharyngopalatine arch Soft palate Uvula  | T3 | NA | RE | RE | 
| 470 | Stated as T3 with no other information on extension | T3 | NA | L | L | 
| 500 | OBSOLETE DATA RETAINED V0200 Buccal mucosa (inner cheek) Gingiva, upper Glossopalatine arch Pharyngopalatine arch Soft palate Uvula  | ERROR | NA | RE | RE | 
| 510 | Involvement of deep tissue or periosteum of hard palate | T4a | NA | L | L | 
| 520 | 510 + 410 Involvement of deep tissue hard palate plus mucosal involvement of any structure in code 410  | T4a | NA | RE | RE | 
| 530 | Involvement of deep soft tissue or musculature of any structure in code 410 | T4a | NA | RE | RE | 
| 700 | Cartilage of maxilla or palatine bone Cortical bone of maxilla or palatine bone Maxilla, NOS Palatine bone, NOS Cartilage, NOS Cortical bone, NOS Bone, NOS except base of skull  | T4a | NA | RE | RE | 
| 730 | Floor of nose Maxillary sinus (antrum) Nasal cavity Nasopharynx Skin of face Pterygoid plate  | T4a | NA | D | D | 
| 740 | OBSOLETE DATA RETAINED V0200 Deep muscle of tongue Floor of nose Maxillary antrum (sinus) Nasal cavity Nasopharynx Skin of face Sphenoid bone  | ERROR | NA | D | D | 
| 750 | Extrinsic muscle of tongue: Genioglossus Hyoglossus Palatoglossus Pharyngoglossus Styloglossus  | ERROR | ERROR | ERROR | ERROR | 
| 760 | OBSOLETE DATA CONVERTED V0200 See code 730 Pterygoid plate  | ERROR | ERROR | ERROR | ERROR | 
| 775 | Stated as T4a with no other information on extension | T4a | NA | L | L | 
| 800 | Contiguous extension: Base of skull base (including sphenoid bone other than pterygoid plates) Carotid artery (encased) Masticator space  | T4b | NA | D | D | 
| 801 | Further contiguous extension including: Brain Dura Lower cranial nerves (IX, X, XI, XII) Mediastinal structures Prevertebral 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 |