Collaborative Stage for TNM 7 - Revised 01/04/2010 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | In situ; noninvasive; intraepithelial | NA | NA | IS | IS |
| 100 | OBSOLETE DATA RETAINED V0200 Invasive tumor on one side confined to posterior 1/3 of tongue: Lamina propria Submucosa | ERROR | NA | L | L |
| 105 | Tumor confined to mucosa on one side of posterior one-third of tongue | T3 | NA | L | L |
| 200 | OBSOLETE DATA RETAINED V0200 Musculature, intrinsic or NOS | ERROR | NA | L | L |
| 300 | OBSOLETE DATA RETAINED V0200 Localized, NOS Midline tumor | ERROR | NA | L | L |
| 305 | Localized, NOS | T3 | NA | L | L |
| 310 | Midline tumor confined to mucosa | T3 | NA | L | L |
| 400 | OBSOLETE DATA RETAINED V0200 Tumor crosses midline | ERROR | NA | L | L |
| 405 | Tumor crosses midline, confined to mucosa | T3 | NA | L | L |
| 460 | Extension via mucosa to: Anterior 2/3 of tongue for base of tongue Base of tongue for lingual tonsil Floor of mouth Lower gingiva | T3 | NA | RE | RE |
| 470 | Extension via mucosa to: Epiglottis, lingual (pharyngeal) surface Glossoepiglottic fold Glossopharyngeal fold Lateral pharyngeal wall Pharyngoepiglottic fold Tonsillar pillars and fossae Tonsils Vallecula | T3 | NA | RE | RE |
| 480 | Extension via mucosa to: Soft palate including uvula | T3 | NA | D | RE |
| 490 | Extension via mucosa to: Larynx Hypopharynx | T3 | NA | D | D |
| 495 | Extension via mucosa to hard palate | T3 | NA | D | D |
| 500 | OBSOLETE DATA RETAINED V0200 Anterior 2/3 of tongue for base of tongue Base of tongue for lingual tonsil Floor of mouth Lower gingiva | ERROR | NA | RE | RE |
| 510 | Stated as T3 with no other information on extension | T3 | NA | L | L |
| 520 | Deep soft tissue or musculature of any structure listed in code 105, 310, or 405 Soft tissue NOS | T4a | NA | L | L |
| 523 | 520+ (460 or 470) (Involvement of deep soft tissue or musculature of any structure listed in code 105, 310, or 405 + Mucosal involvement of a ny structure in code 460 or 470 ) | T4a | NA | RE | RE |
| 525 | 520 + 480 (Involvement of deep soft tissue or musculature of any structure listed in code 105, 310, or 405 + Mucosal involvement of soft palate) | T4a | NA | D | RE |
| 527 | 520 + (490 or 510) (Involvement of deep soft tissue or musculature of any structure listed in code 105, 310, or 405 + Mucosal involvement of any structure in code 490 or 510) | T4a | NA | D | D |
| 530 | Sublingual gland | T4a | NA | RE | RE |
| 550 | Involvement of deep soft tissue or musculature of any structure in code 470 | T4a | NA | RE | RE |
| 600 | OBSOLETE DATA RETAINED V0200 Epiglottis, lingual (pharyngeal) surface Glossoepiglottic fold Glossopharyngeal fold Lateral pharyngeal wall Pharyngoepiglottic fold Tonsillar pillars and fossae Tonsils Vallecula | ERROR | NA | RE | RE |
| 610 | (470 or 530) + 480 (Involvement of sublingual gland or deep soft tissue or musculature of any structure in code 470 + Mucosal involvement of soft palate) | T4a | NA | D | RE |
| 612 | (470 or 530) + (490 or 510) (Involvement of sublingual gland or deep soft tissue or musculature of any structure in code 600 + Mucosal involvement of any structure in code 490 or 510) | T4a | NA | D | D |
| 620 | Deep soft tissue or musculature of Soft palate, inferior surface or NOS including uvula | T4a | NA | D | RE |
| 710 | Mandible for lingual tonsil | T4a | NA | RE | D |
| 715 | 710 + (480 or 620) (Mandible + Any involvement of soft palate) | T4a | NA | D | D |
| 720 | Mandible for base of tongue | T4a | NA | D | D |
| 740 | OBSOLETE DATA RETAINED V0200 Medial pterygoid muscle Hard palate | ERROR | NA | D | D |
| 750 | Musculature, extrinsic of tongue: Genioglossus Geniohyoid Hyoglossus Mylohyoid Palatoglossus Styloglossus | T4a | NA | D | D |
| 770 | Deep soft tissue or musculature of: Larynx Hypopharynx | T4a | NA | D | D |
| 775 | Lateral nasopharynx Pterygoid muscle Pterygoid plates Bone excluding base of skull, mandible Palatine bone Bone NOS Cartilage NOS | T4a | NA | D | D |
| 780 | Overlying skin | T4a | NA | D | D |
| 785 | Stated as T4a with no other information on extension | T4a | NA | L | L |
| 790 | Contiguous extension to: Carotid artery (encased) Prevertebral space Mediastinal structures | T4b | NA | D | D |
| 800 | OBSOLETE DATA RETAINED V0200 Contiguous extension to: Base of skull Carotid artery Hypopharynx Lateral nasopharynx Lateral pterygoid muscle Pterygoid plates Uvula | ERROR | NA | D | D |
| 801 | Further contiguous extension including: Brain Dura Skull base 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 |
| 820 | OBSOLETE DATA RETAINED V0200 Further contiguous extension | ERROR | NA | D | D |
| 950 | OBSOLETE DATA RETAINED V0200 No evidence of primary tumor | ERROR | NA | U | U |
| 999 | Unknown extension Primary tumor cannot be assessed Not documented in patient record | NA | NA | U | U |