Collaborative Stage for TNM 7 - Revised 09/10/2009 [ Schema ]
MelanomaChoroid
Extension Size Pair Table AJCC6
- Note: * For Extension codes 150 through 180 and 635, the T value is assigned based on the values of tumor basal diameter, recorded in CS SSF 2, and thickness, recorded in SSF3, for AJCC 6th Edition staging. Diameter and thickness are mapped to tumor size groups in the Size Group table, and the CS Extension codes and tumor size groups are mapped to T values in the Extension Size Group table.
| CS Extension Code | Tumor Size Pair | T Value |
| 150 | 1 | T1a |
| 160 | 1 | T1a |
| 170 | 1 | T1b |
| 180 | 1 | T1b |
| 635 | 1 | T1c |
| 640 | 1 | T1c |
| 150 | 2 | T2a |
| 160 | 2 | T2a |
| 170 | 2 | T2b |
| 180 | 2 | T2b |
| 635 | 2 | T2c |
| 640 | 2 | T2c |
| 150 | 3 | T3 |
| 160 | 3 | T3 |
| 170 | 3 | T4 |
| 180 | 3 | T4 |
| 635 | 3 | T4 |
| 640 | 3 | T4 |
| 150 | 9 | TX |
| 160 | 9 | TX |
| 170 | 9 | TX |
| 180 | 9 | TX |
| 635 | 9 | T1c |
| 640 | 9 | TX |