Collaborative Stage for TNM 7 - Revised 10/17/2010 [ 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: Lamina propria Submucosa  | ERROR | NA | L | L | 
| 105 | Tumor confined to mucosa of oral site | T3 | NA | L | L | 
| 200 | OBSOLETE DATA CONVERTED V0200 See code 510 Musculature invaded  | ERROR | ERROR | ERROR | ERROR | 
| 300 | Localized, NOS | T3 | NA | L | L | 
| 350 | Extension involving mucosa only to adjacent sites in oral cavity including tongue | T3 | NA | RE | RE | 
| 370 | Extension involving mucosa only: Inferior surface of soft palate including uvula Lateral pharyngeal wall Lingual surface of epiglottis Oropharynx, NOS Vallecula  | T3 | NA | RE | RE | 
| 470 | Stated as T3 with no other information on extension | T3 | NA | L | L | 
| 500 | OBSOLETE DATA RETAINED V0200 Adjacent oral cavity  | ERROR | NA | RE | RE | 
| 510 | Involvement of deep soft tissue or musculature of structure in code 105 Soft tissue, NOS  | T4a | NA | L | L | 
| 520 | 510 + (350 or 370) Involvement of deep soft tissue or musculature of structure in code 105 plus mucosal involvement of any structure in code 350 or 370  | T4a | NA | RE | RE | 
| 550 | Deep soft tissue or musculature of any structure in code 350 | T4a | NA | RE | RE | 
| 570 | Deep soft tissue or musculature of any structure in code 370 | T4a | NA | RE | RE | 
| 600 | OBSOLETE DATA RETAINED V0200 Extension to oropharynx Inferior surface of soft palate Lateral pharyngeal wall Lingual surface of epiglottis Vallecula  | ERROR | NA | RE | RE | 
| 690 | Cortical bone of mandible Cortical bone of maxilla Mandible, NOS Maxilla, NOS Maxillary antrum (sinus) Cortical bone, NOS Cartilage, NOS Bone, NOS excluding base of skull  | T4a | NA | D | D | 
| 700 | OBSOLETE DATA RETAINED V0200 Extension to adjacent structures: Mandible Maxilla Maxillary antrum (sinus) Nasal cavity Skin of face/neck Tongue  | ERROR | NA | D | D | 
| 705 | Nasal cavity Skin of face/neck  | T4a | NA | D | D | 
| 710 | Deep (extrinsic) muscle of tongue: Genioglossus Hyoglossus Palatoglossus Styloglossus  | T4a | NA | D | D | 
| 720 | OBSOLETE DATA CONVERTED V0200 See code 750 Skull  | ERROR | ERROR | ERROR | ERROR | 
| 725 | Stated as T4a with no other information on extension | T4a | NA | L | L | 
| 750 | Contiguous extension: Base of skull Carotid artery (encased) Masticator space Pterygoid plates  | T4b | NA | D | D | 
| 800 | OBSOLETE DATA RETAINED V0200 Further contiguous extension  | ERROR | NA | D | D | 
| 801 | Further contiguous extension: 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 |