Extension Size Table
Notes
**Note**: For CS Extension codes 100-535 ONLY, the T category is assigned based on the value of CS Tumor Size as shown in this table.| CS Extension | CS Tumor Size | AJCC 7 T | AJCC 6 T |
|---|---|---|---|
| 100, 300, 400, 405, 410, 415, 500, 535 | 000, 997-998 | ERROR: | ERROR: |
| 100, 300, 400, 405, 410, 415, 500, 535 | 001-020, 990-991 | T1 | T1 |
| 100, 300, 400, 405, 410, 415, 500, 535 | 021-040 | T2 | T2 |
| 100, 300, 400, 405, 410, 415, 500, 535 | 041-989 | T3 | T3 |
| 100, 300, 400, 405, 500, 535 | 992 | T1 | T1 |
| 410 | 992, 993-994, 995, 999 | T2 | T2 |
| 415 | 992, 995, 996, 999 | T3 | T3 |
| 100, 300, 400, 415, 500, 535 | 993-994 | T2 | T2 |
| 405 | 993-994, 995, 999 | T1 | T1 |
| 100, 300, 400, 500, 535 | 995 | T3 | T3 |
| 100, 300, 400, 405, 410, 500, 535 | 996 | T3 | T3 |
| 100, 300, 400, 500, 535 | 999 | TX | TX |
| CS Extension | CS Tumor Size | AJCC 7 T | AJCC 6 T |
|---|---|---|---|
| 100 | 000 | ERROR: | ERROR: |
| 300 | 000 | ERROR: | ERROR: |
| 400 | 000 | ERROR: | ERROR: |
| 405 | 000 | ERROR: | ERROR: |
| 410 | 000 | ERROR: | ERROR: |
| 415 | 000 | ERROR: | ERROR: |
| 500 | 000 | ERROR: | ERROR: |
| 535 | 000 | ERROR: | ERROR: |
| 100 | 001-020 | T1 | T1 |
| 300 | 001-020 | T1 | T1 |
| 400 | 001-020 | T1 | T1 |
| 405 | 001-020 | T1 | T1 |
| 410 | 001-020 | T1 | T1 |
| 415 | 001-020 | T1 | T1 |
| 500 | 001-020 | T1 | T1 |
| 535 | 001-020 | T1 | T1 |
| 100 | 021-040 | T2 | T2 |
| 300 | 021-040 | T2 | T2 |
| 400 | 021-040 | T2 | T2 |
| 405 | 021-040 | T2 | T2 |
| 410 | 021-040 | T2 | T2 |
| 415 | 021-040 | T2 | T2 |
| 500 | 021-040 | T2 | T2 |
| 535 | 021-040 | T2 | T2 |
| 100 | 041-989 | T3 | T3 |
| 300 | 041-989 | T3 | T3 |
| 400 | 041-989 | T3 | T3 |
| 405 | 041-989 | T3 | T3 |
| 410 | 041-989 | T3 | T3 |
| 415 | 041-989 | T3 | T3 |
| 500 | 041-989 | T3 | T3 |
| 535 | 041-989 | T3 | T3 |
| 100 | 990-991 | T1 | T1 |
| 300 | 990-991 | T1 | T1 |
| 400 | 990-991 | T1 | T1 |
| 405 | 990-991 | T1 | T1 |
| 410 | 990-991 | T1 | T1 |
| 415 | 990-991 | T1 | T1 |
| 500 | 990-991 | T1 | T1 |
| 535 | 990-991 | T1 | T1 |
| 100 | 992 | T1 | T1 |
| 300 | 992 | T1 | T1 |
| 400 | 992 | T1 | T1 |
| 405 | 992 | T1 | T1 |
| 410 | 992 | T2 | T2 |
| 415 | 992 | T3 | T3 |
| 500 | 992 | T1 | T1 |
| 535 | 992 | T1 | T1 |
| 100 | 993-994 | T2 | T2 |
| 300 | 993-994 | T2 | T2 |
| 400 | 993-994 | T2 | T2 |
| 405 | 993-994 | T1 | T1 |
| 410 | 993-994 | T2 | T2 |
| 415 | 993-994 | T2 | T2 |
| 500 | 993-994 | T2 | T2 |
| 535 | 993-994 | T2 | T2 |
| 100 | 995 | T3 | T3 |
| 300 | 995 | T3 | T3 |
| 400 | 995 | T3 | T3 |
| 405 | 995 | T1 | T1 |
| 410 | 995 | T2 | T2 |
| 415 | 995 | T3 | T3 |
| 500 | 995 | T3 | T3 |
| 535 | 995 | T3 | T3 |
| 100 | 996 | T3 | T3 |
| 300 | 996 | T3 | T3 |
| 400 | 996 | T3 | T3 |
| 405 | 996 | T3 | T3 |
| 410 | 996 | T3 | T3 |
| 415 | 996 | T3 | T3 |
| 500 | 996 | T3 | T3 |
| 535 | 996 | T3 | T3 |
| 100 | 997-998 | ERROR: | ERROR: |
| 300 | 997-998 | ERROR: | ERROR: |
| 400 | 997-998 | ERROR: | ERROR: |
| 405 | 997-998 | ERROR: | ERROR: |
| 410 | 997-998 | ERROR: | ERROR: |
| 415 | 997-998 | ERROR: | ERROR: |
| 500 | 997-998 | ERROR: | ERROR: |
| 535 | 997-998 | ERROR: | ERROR: |
| 100 | 999 | TX | TX |
| 300 | 999 | TX | TX |
| 400 | 999 | TX | TX |
| 405 | 999 | T1 | T1 |
| 410 | 999 | T2 | T2 |
| 415 | 999 | T3 | T3 |
| 500 | 999 | TX | TX |
| 535 | 999 | TX | TX |