Collaborative Stage Data Set - Revised 11/09/2010 FINAL
| 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: Lamina propria Submucosa | ERROR | NA | L | L |
| 105 | Tumor confined to mucosa of soft palaate or uvula on one side | T3 | NA | L | L |
| 150 | Tumor confined to mucosa of soft palate or uvula crossing midline | T3 | NA | L | L |
| 200 | OBSOLETE DATA RETAINED V0200 Musculature invaded | ERROR | NA | L | L |
| 300 | Localized, NOS | T3 | NA | L | L |
| 350 | Extension involving mucosa only: Buccal mucosa (inner cheek) | T3 | NA | RE | RE |
| 400 | OBSOLETE DATA RETAINED V0200 Tumor crosses midline | ERROR | NA | L | L |
| 450 | Extension involving mucosa only: Lateral pharyngeal wall Tonsillar pillars and fossae Tonsils | T3 | NA | RE | RE |
| 500 | OBSOLETE DATA RETAINED V0200 Buccal mucosa (inner cheek) Gum (gingiva), upper | ERROR | NA | RE | RE |
| 600 | OBSOLETE DATA RETAINED V0200 Lateral pharyngeal wall Tonsillar pillars and fossae Tonsils | ERROR | NA | RE | RE |
| 610 | Tumor involving mucosa only: Hard palate | T3 | NA | RE | RE |
| 620 | Tumor involving mucosa only: Nasopharynx | T3 | NA | D | D |
| 640 | Stated as T3 with no other information on extension | T3 | NA | L | L |
| 650 | OBSOLETE DATA RETAINED V0200 Hard palate | ERROR | NA | RE | RE |
| 660 | Involvement of deep soft tissue or musculature of soft palate or uvula | T4a | NA | L | L |
| 665 | 660 + (350, 450, or 610) Involvement of deep soft tissue or musculature of soft palate or uvula plus mucosal involvement of any structure in code 350, 450, or 610 | T4a | NA | RE | RE |
| 670 | Involvement of deep soft tissue or musculature of any structure in code 350, 450, or 610 | T4a | NA | RE | RE |
| 675 | Nasal cavity | T4a | NA | RE | D |
| 680 | Pterygoid muscle lateral Pterygoid plates | T4a | NA | RE | D |
| 685 | (665 - 680) + 620 Involvement in code 660 - 680 plus mucosal involvement of nasopharynx | T4a | NA | D | D |
| 690 | Involvement of deep soft tissue or musculature of nasopharynx | T4a | NA | D | D |
| 700 | Mandible Maxilla Maxillary sinus (antrum) Palatine bone (bone of hard palate) Bone excluding pterygoid plates, base of skull Cartilage, NOS Bone, NOS | T4a | NA | D | D |
| 710 | Pterygoid muscle, medial or NOS | T4a | NA | D | D |
| 720 | Tongue, NOS Deep (extrinsic) muscle of tongue: Genioglossus Geniohyoid Hyoglossus Mylohyoid Palatoglossus Styloglossus | T4a | NA | D | D |
| 730 | Larynx Hypopharynx | T4a | NA | D | D |
| 735 | Stated as T4a with no other information on extension | T4a | NA | D | D |
| 740 | OBSOLETE DATA RETAINED V0200 Maxillary antrum (sinus) Nasopharynx, lateral or NOS | ERROR | NA | D | D |
| 770 | OBSOLETE DATA CONVERTED V0200 See code 675 Nasal cavity | ERROR | ERROR | ERROR | ERROR |
| 780 | OBSOLETE DATA CONVERTED V0200 See code 680 Pterygoid muscle, lateral Pterygoid plates Note: For medial pterygoid muscle or pterygoid muscle, NOS, see code 710 | ERROR | ERROR | ERROR | ERROR |
| 790 | OBSOLETE DATA RETAINED V0200 770 or 780 with any of 700 to 760 | ERROR | NA | D | D |
| 800 | Base of skull Carotid artery (encased) | T4b | NA | D | D |
| 801 | Further contiguous extension including: Brain Dura Lower cranial nerves (IX, X, XI, XII) Masticator space 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 |