CS Extension
| Code | Description | AJCC 7 T | AJCC 6 T | Summary Stage 1977 T | Summary Stage 2000 T |
|---|---|---|---|---|---|
| 000 | In situ, intraepithelial, noninvasive | NA | NA | IS | IS |
| 100 | Tumor confined to site of origin | NA | NA | L | L |
| 300 | Localized, NOS | NA | NA | L | L |
| 400 | Intraocular extension | NA | NA | L | L |
| 700 | Adjacent extraocular extension: Eyelid Orbit |
NA | NA | RE | RE |
| 800 | Further contiguous extension | NA | NA | D | D |
| 950 | No evidence of primary tumor | NA | NA | U | U |
| 999 | Unknown; extension not stated Primary tumor cannot be assessed Not documented in patient record |
NA | NA | U | U |