Collaborative Stage for TNM 7 - Revised 11/29/2009 [ Schema ]
MelanomaSkin
Extension and Ulceration T1 AJCC 6
- Note: For CS Extension codes 100, 200, 300, 400, 500, 800, and 999 with thickness (CS Site-Specific Factor 1) between 001and 100 (0.01 to 1.00 millimeter), the T1 category for AJCC 6th Edition staging is based on the value of Clark's level of invasion coded in CS Extension and ulceration coded in CS Site-Specific Factor 2.
| CS Extension | CS SSF 2 Ulceration 000 | CS SSF 2 Ulceration 001 | CS SSF 2 Ulceration 999 |
| 100 | T1a | T1b | T1NOS |
| 200 | T1a | T1b | T1NOS |
| 300 | T1b | T1b | T1b |
| 400 | T1NOS | T1b | T1NOS |
| 500 | T1b | T1b | T1b |
| 800 | T1b | T1b | T1b |
| 999 | T1b | T1b | T1b |