Extension Size Table AJCC 6
Notes
**Note**: For CS Extension codes 100-360 ONLY, the T category for AJCC 6 staging is assigned based on the value of CS Tumor Size, as shown in this table.| CS Extension | CS Tumor Size | AJCC 6 T |
|---|---|---|
| 100, 200, 300, 310, 320, 330, 340, 350, 360 | 000 | ERROR: |
| 100, 200, 300, 310, 320, 330, 340, 350, 360 | 001-040, 990-991 | T1a |
| 100, 200, 300, 310, 320, 330, 340, 350, 360 | 041-070 | T1b |
| 100, 200, 300, 310, 320, 330, 340, 350, 360 | 071-989 | T2 |
| 100, 200, 300, 310 | 992-994 | T1a |
| 320 | 992-994, 995, 996, 997-998, 999 | T1b |
| 330 | 992-994, 996, 997-998, 999 | T1NOS |
| 340, 350, 360 | 992-994, 996, 999 | T2 |
| 100, 200, 300, 310, 330, 340, 350, 360 | 995 | T1b |
| 100, 200, 300 | 996 | T1NOS |
| 310 | 996, 997-998, 999 | T1a |
| 100, 200, 300, 340, 350, 360 | 997-998 | T2 |
| 100, 200, 300 | 999 | TX |
| CS Extension | CS Tumor Size | AJCC 6 T |
|---|---|---|
| 100 | 000 | ERROR: |
| 200 | 000 | ERROR: |
| 300 | 000 | ERROR: |
| 310 | 000 | ERROR: |
| 320 | 000 | ERROR: |
| 330 | 000 | ERROR: |
| 340 | 000 | ERROR: |
| 350 | 000 | ERROR: |
| 360 | 000 | ERROR: |
| 100 | 001-040 | T1a |
| 200 | 001-040 | T1a |
| 300 | 001-040 | T1a |
| 310 | 001-040 | T1a |
| 320 | 001-040 | T1a |
| 330 | 001-040 | T1a |
| 340 | 001-040 | T1a |
| 350 | 001-040 | T1a |
| 360 | 001-040 | T1a |
| 100 | 041-070 | T1b |
| 200 | 041-070 | T1b |
| 300 | 041-070 | T1b |
| 310 | 041-070 | T1b |
| 320 | 041-070 | T1b |
| 330 | 041-070 | T1b |
| 340 | 041-070 | T1b |
| 350 | 041-070 | T1b |
| 360 | 041-070 | T1b |
| 100 | 071-989 | T2 |
| 200 | 071-989 | T2 |
| 300 | 071-989 | T2 |
| 310 | 071-989 | T2 |
| 320 | 071-989 | T2 |
| 330 | 071-989 | T2 |
| 340 | 071-989 | T2 |
| 350 | 071-989 | T2 |
| 360 | 071-989 | T2 |
| 100 | 990-991 | T1a |
| 200 | 990-991 | T1a |
| 300 | 990-991 | T1a |
| 310 | 990-991 | T1a |
| 320 | 990-991 | T1a |
| 330 | 990-991 | T1a |
| 340 | 990-991 | T1a |
| 350 | 990-991 | T1a |
| 360 | 990-991 | T1a |
| 100 | 992-994 | T1a |
| 200 | 992-994 | T1a |
| 300 | 992-994 | T1a |
| 310 | 992-994 | T1a |
| 320 | 992-994 | T1b |
| 330 | 992-994 | T1NOS |
| 340 | 992-994 | T2 |
| 350 | 992-994 | T2 |
| 360 | 992-994 | T2 |
| 100 | 995 | T1b |
| 200 | 995 | T1b |
| 300 | 995 | T1b |
| 310 | 995 | T1b |
| 320 | 995 | T1b |
| 330 | 995 | T1b |
| 340 | 995 | T1b |
| 350 | 995 | T1b |
| 360 | 995 | T1b |
| 100 | 996 | T1NOS |
| 200 | 996 | T1NOS |
| 300 | 996 | T1NOS |
| 310 | 996 | T1a |
| 320 | 996 | T1b |
| 330 | 996 | T1NOS |
| 340 | 996 | T2 |
| 350 | 996 | T2 |
| 360 | 996 | T2 |
| 100 | 997-998 | T2 |
| 200 | 997-998 | T2 |
| 300 | 997-998 | T2 |
| 310 | 997-998 | T1a |
| 320 | 997-998 | T1b |
| 330 | 997-998 | T1NOS |
| 340 | 997-998 | T2 |
| 350 | 997-998 | T2 |
| 360 | 997-998 | T2 |
| 100 | 999 | TX |
| 200 | 999 | TX |
| 300 | 999 | TX |
| 310 | 999 | T1a |
| 320 | 999 | T1b |
| 330 | 999 | T1NOS |
| 340 | 999 | T2 |
| 350 | 999 | T2 |
| 360 | 999 | T2 |