Collaborative Stage for TNM 7 - Revised 09/27/2009 [ Schema ]
| CS Extension Code | Grade | LVI | T Code |
| 100 | 1-2 | 0 | T1a |
| 100 | 1-2 | 1 | T1b |
| 100 | 1-2 | 8-9 | T1NOS |
| 100 | 3-4 | 0 | T1b |
| 100 | 3-4 | 1 | T1b |
| 100 | 3-4 | 8-9 | T1b |
| 100 | 9 | 0 | T1NOS |
| 100 | 9 | 1 | T1b |
| 100 | 9 | 8-9 | T1NOS |
| 300 | 1-2 | 0 | T1a |
| 300 | 1-2 | 1 | T1b |
| 300 | 1-2 | 8-9 | T1NOS |
| 300 | 3-4 | 0 | T1b |
| 300 | 3-4 | 1 | T1b |
| 300 | 3-4 | 8-9 | T1b |
| 300 | 9 | 0 | T1NOS |
| 300 | 9 | 1 | T1b |
| 300 | 9 | 8-9 | T1NOS |
| 310 | 1-2 | 0 | T1a |
| 310 | 1-2 | 1 | T1b |
| 310 | 1-2 | 8-9 | T1a |
| 310 | 3-4 | 0 | T1b |
| 310 | 3-4 | 1 | T1b |
| 310 | 3-4 | 8-9 | T1b |
| 310 | 9 | 0 | T1a |
| 310 | 9 | 1 | T1b |
| 310 | 9 | 8-9 | T1a |
| 320 | 1-2 | 0 | T1a |
| 320 | 1-2 | 1 | T1b |
| 320 | 1-2 | 8-9 | T1b |
| 320 | 3-4 | 0 | T1b |
| 320 | 3-4 | 1 | T1b |
| 320 | 3-4 | 8-9 | T1b |
| 320 | 9 | 0 | T1b |
| 320 | 9 | 1 | T1b |
| 320 | 9 | 8-9 | T1b |
| 500 | 1-2 | 0 | T1a |
| 500 | 1-2 | 1 | T1b |
| 500 | 1-2 | 8-9 | T1NOS |
| 500 | 3-4 | 0 | T1b |
| 500 | 3-4 | 1 | T1b |
| 500 | 3-4 | 8-9 | T1b |
| 500 | 9 | 0 | T1NOS |
| 500 | 9 | 1 | T1b |
| 500 | 9 | 8-9 | T1NOS |