Collaborative Stage for TNM 7 - Revised 10/07/2009 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 050 | Benign or borderline brain and other parts of the CSN tumors | NA | NA | NA | NA |
| 100 | Tumor confined to tissue or site of origin | NA | NA | L | L |
| 300 | Localized, NOS | NA | NA | L | L |
| 400 | Meningeal tumor infiltrates nerve Nerve tumor infiltrates meninges (dura) | NA | NA | RNOS | RNOS |
| 500 | Adjacent connective/soft tissue Adjacent muscle | NA | NA | RNOS | RNOS |
| 600 | Brain, for cranial nerve tumors Major blood vessel(s) Sphenoid and frontal sinuses (skull) | NA | NA | RNOS | RNOS |
| 700 | Brain except for cranial nerve tumors Bone, other than skull Eye | NA | NA | D | D |
| 800 | Further contiguous extension | NA | NA | D | D |
| 950 | No evidence of primary tumor | NA | NA | U | U |
| 999 | Unknown extension Primary tumor cannot be assessed Not documented in patient record | NA | NA | U | U |