Extension Size AJCC 7 Table
Notes
**Note**: For CS Extension codes 100-120 160-300, 320-335, 370, 401-410, and 451 ONLY, the T category for AJCC 7staging is assigned based on the value of CS Tumor Size, as shown in this table.| CS Extension | CS Tumor Size | AJCC 7 T |
|---|---|---|
| 100, 110, 120, 160, 200, 300, 320, 330, 335, 370, 401, 410, 451, 458 | 000, 998 | ERROR: |
| 100, 110, 120, 160, 200, 300, 320, 330, 335, 401, 451, 458 | 001-010 | T1a |
| 370, 410 | 001-010, 011-020 | T2 |
| 100, 110, 120, 160, 200, 300, 320, 330, 335, 401, 451, 458 | 011-020 | T1b |
| 100, 110, 120, 160, 200, 300, 320, 330, 335, 370, 401, 410, 451, 458 | 021-040 | T2 |
| 100, 110, 120, 160, 200, 300, 320, 330, 335, 370, 401, 410, 451, 458 | 041-989, 995 | T3 |
| 100, 110, 120, 160, 200, 300, 320, 330, 370, 401, 451, 458 | 990 | T1a |
| 335 | 990, 991, 992, 999 | T1NOS |
| 410 | 990, 991, 993-994 | T2 |
| 100, 110, 120, 160, 200, 300, 320, 401, 458 | 991 | T1a |
| 330, 370, 451 | 991 | T1b |
| 100, 110, 120, 160, 200, 300, 320, 330, 401, 410, 458 | 992 | T1b |
| 370, 451 | 992 | T2 |
| 100, 110, 120, 160, 200, 300, 320, 330, 335, 401, 458 | 993-994 | T2 |
| 370, 451 | 993-994 | T3 |
| 100, 110, 120, 160, 200, 300, 370, 401, 410, 451, 458 | 999 | TX |
| 320 | 999 | T1a |
| 330 | 999 | T1b |
| CS Extension | CS Tumor Size | AJCC 7 T |
|---|---|---|
| 100 | 000 | ERROR: |
| 110 | 000 | ERROR: |
| 120 | 000 | ERROR: |
| 160 | 000 | ERROR: |
| 200 | 000 | ERROR: |
| 300 | 000 | ERROR: |
| 320 | 000 | ERROR: |
| 330 | 000 | ERROR: |
| 335 | 000 | ERROR: |
| 370 | 000 | ERROR: |
| 401 | 000 | ERROR: |
| 410 | 000 | ERROR: |
| 451 | 000 | ERROR: |
| 458 | 000 | ERROR: |
| 100 | 001-010 | T1a |
| 110 | 001-010 | T1a |
| 120 | 001-010 | T1a |
| 160 | 001-010 | T1a |
| 200 | 001-010 | T1a |
| 300 | 001-010 | T1a |
| 320 | 001-010 | T1a |
| 330 | 001-010 | T1a |
| 335 | 001-010 | T1a |
| 370 | 001-010 | T2 |
| 401 | 001-010 | T1a |
| 410 | 001-010 | T2 |
| 451 | 001-010 | T1a |
| 458 | 001-010 | T1a |
| 100 | 011-020 | T1b |
| 110 | 011-020 | T1b |
| 120 | 011-020 | T1b |
| 160 | 011-020 | T1b |
| 200 | 011-020 | T1b |
| 300 | 011-020 | T1b |
| 320 | 011-020 | T1b |
| 330 | 011-020 | T1b |
| 335 | 011-020 | T1b |
| 370 | 011-020 | T2 |
| 401 | 011-020 | T1b |
| 410 | 011-020 | T2 |
| 451 | 011-020 | T1b |
| 458 | 011-020 | T1b |
| 100 | 021-040 | T2 |
| 110 | 021-040 | T2 |
| 120 | 021-040 | T2 |
| 160 | 021-040 | T2 |
| 200 | 021-040 | T2 |
| 300 | 021-040 | T2 |
| 320 | 021-040 | T2 |
| 330 | 021-040 | T2 |
| 335 | 021-040 | T2 |
| 370 | 021-040 | T2 |
| 401 | 021-040 | T2 |
| 410 | 021-040 | T2 |
| 451 | 021-040 | T2 |
| 458 | 021-040 | T2 |
| 100 | 041-989 | T3 |
| 110 | 041-989 | T3 |
| 120 | 041-989 | T3 |
| 160 | 041-989 | T3 |
| 200 | 041-989 | T3 |
| 300 | 041-989 | T3 |
| 320 | 041-989 | T3 |
| 330 | 041-989 | T3 |
| 335 | 041-989 | T3 |
| 370 | 041-989 | T3 |
| 401 | 041-989 | T3 |
| 410 | 041-989 | T3 |
| 451 | 041-989 | T3 |
| 458 | 041-989 | T3 |
| 100 | 990 | T1a |
| 110 | 990 | T1a |
| 120 | 990 | T1a |
| 160 | 990 | T1a |
| 200 | 990 | T1a |
| 300 | 990 | T1a |
| 320 | 990 | T1a |
| 330 | 990 | T1a |
| 335 | 990 | T1NOS |
| 370 | 990 | T1a |
| 401 | 990 | T1a |
| 410 | 990 | T2 |
| 451 | 990 | T1a |
| 458 | 990 | T1a |
| 100 | 991 | T1a |
| 110 | 991 | T1a |
| 120 | 991 | T1a |
| 160 | 991 | T1a |
| 200 | 991 | T1a |
| 300 | 991 | T1a |
| 320 | 991 | T1a |
| 330 | 991 | T1b |
| 335 | 991 | T1NOS |
| 370 | 991 | T1b |
| 401 | 991 | T1a |
| 410 | 991 | T2 |
| 451 | 991 | T1b |
| 458 | 991 | T1a |
| 100 | 992 | T1b |
| 110 | 992 | T1b |
| 120 | 992 | T1b |
| 160 | 992 | T1b |
| 200 | 992 | T1b |
| 300 | 992 | T1b |
| 320 | 992 | T1b |
| 330 | 992 | T1b |
| 335 | 992 | T1NOS |
| 370 | 992 | T2 |
| 401 | 992 | T1b |
| 410 | 992 | T1b |
| 451 | 992 | T2 |
| 458 | 992 | T1b |
| 100 | 993-994 | T2 |
| 110 | 993-994 | T2 |
| 120 | 993-994 | T2 |
| 160 | 993-994 | T2 |
| 200 | 993-994 | T2 |
| 300 | 993-994 | T2 |
| 320 | 993-994 | T2 |
| 330 | 993-994 | T2 |
| 335 | 993-994 | T2 |
| 370 | 993-994 | T3 |
| 401 | 993-994 | T2 |
| 410 | 993-994 | T2 |
| 451 | 993-994 | T3 |
| 458 | 993-994 | T2 |
| 100 | 995 | T3 |
| 110 | 995 | T3 |
| 120 | 995 | T3 |
| 160 | 995 | T3 |
| 200 | 995 | T3 |
| 300 | 995 | T3 |
| 320 | 995 | T3 |
| 330 | 995 | T3 |
| 335 | 995 | T3 |
| 370 | 995 | T3 |
| 401 | 995 | T3 |
| 410 | 995 | T3 |
| 451 | 995 | T3 |
| 458 | 995 | T3 |
| 100 | 998 | ERROR: |
| 110 | 998 | ERROR: |
| 120 | 998 | ERROR: |
| 160 | 998 | ERROR: |
| 200 | 998 | ERROR: |
| 300 | 998 | ERROR: |
| 320 | 998 | ERROR: |
| 330 | 998 | ERROR: |
| 335 | 998 | ERROR: |
| 370 | 998 | ERROR: |
| 401 | 998 | ERROR: |
| 410 | 998 | ERROR: |
| 451 | 998 | ERROR: |
| 458 | 998 | ERROR: |
| 100 | 999 | TX |
| 110 | 999 | TX |
| 120 | 999 | TX |
| 160 | 999 | TX |
| 200 | 999 | TX |
| 300 | 999 | TX |
| 320 | 999 | T1a |
| 330 | 999 | T1b |
| 335 | 999 | T1NOS |
| 370 | 999 | TX |
| 401 | 999 | TX |
| 410 | 999 | TX |
| 451 | 999 | TX |
| 458 | 999 | TX |