Extension Size AJCC 7 Table
Notes
**Note**: For CS Extension codes 200-310, 380-450, and 550 ONLY, the T category for AJCC 7 staging is assigned based on CS Tumor Size as shown in this table.| CS Extension | CS Tumor Size | AJCC 7 T |
|---|---|---|
| 200, 210, 220, 250, 300, 310, 380, 390, 400, 410, 420, 440, 450, 550 | 000 | ERROR |
| 200, 210, 220, 250, 300, 310, 380, 390 | 001-040, 990-994 | T1b1 |
| 400, 410, 420, 440, 450, 550 | 001-040, 990-994 | T2a1 |
| 200, 210, 220, 250, 300, 310, 380, 390 | 041-989, 995 | T1b2 |
| 400, 410, 420, 440, 450, 550 | 041-989, 995 | T2a2 |
| 200, 210, 220, 250, 300, 310, 380, 390, 400, 410, 420, 440, 450, 550 | 996-998 | ERROR: |
| 200, 250, 380, 390 | 999 | T1bNOS |
| 210 | 999 | T1b1 |
| 220 | 999 | T1b2 |
| 300, 310 | 999 | T1NOS |
| 400, 410, 450 | 999 | T2aNOS |
| 420 | 999 | T2a1 |
| 440 | 999 | T2a2 |
| 550 | 999 | T2NOS |
| CS Extension | CS Tumor Size | AJCC 7 T |
|---|---|---|
| 200 | 000 | ERROR |
| 210 | 000 | ERROR |
| 220 | 000 | ERROR |
| 250 | 000 | ERROR |
| 300 | 000 | ERROR |
| 310 | 000 | ERROR |
| 380 | 000 | ERROR |
| 390 | 000 | ERROR |
| 400 | 000 | ERROR |
| 410 | 000 | ERROR |
| 420 | 000 | ERROR |
| 440 | 000 | ERROR |
| 450 | 000 | ERROR |
| 550 | 000 | ERROR |
| 200 | 001-040 | T1b1 |
| 210 | 001-040 | T1b1 |
| 220 | 001-040 | T1b1 |
| 250 | 001-040 | T1b1 |
| 300 | 001-040 | T1b1 |
| 310 | 001-040 | T1b1 |
| 380 | 001-040 | T1b1 |
| 390 | 001-040 | T1b1 |
| 400 | 001-040 | T2a1 |
| 410 | 001-040 | T2a1 |
| 420 | 001-040 | T2a1 |
| 440 | 001-040 | T2a1 |
| 450 | 001-040 | T2a1 |
| 550 | 001-040 | T2a1 |
| 200 | 041-989 | T1b2 |
| 210 | 041-989 | T1b2 |
| 220 | 041-989 | T1b2 |
| 250 | 041-989 | T1b2 |
| 300 | 041-989 | T1b2 |
| 310 | 041-989 | T1b2 |
| 380 | 041-989 | T1b2 |
| 390 | 041-989 | T1b2 |
| 400 | 041-989 | T2a2 |
| 410 | 041-989 | T2a2 |
| 420 | 041-989 | T2a2 |
| 440 | 041-989 | T2a2 |
| 450 | 041-989 | T2a2 |
| 550 | 041-989 | T2a2 |
| 200 | 990-994 | T1b1 |
| 210 | 990-994 | T1b1 |
| 220 | 990-994 | T1b1 |
| 250 | 990-994 | T1b1 |
| 300 | 990-994 | T1b1 |
| 310 | 990-994 | T1b1 |
| 380 | 990-994 | T1b1 |
| 390 | 990-994 | T1b1 |
| 400 | 990-994 | T2a1 |
| 410 | 990-994 | T2a1 |
| 420 | 990-994 | T2a1 |
| 440 | 990-994 | T2a1 |
| 450 | 990-994 | T2a1 |
| 550 | 990-994 | T2a1 |
| 200 | 995 | T1b2 |
| 210 | 995 | T1b2 |
| 220 | 995 | T1b2 |
| 250 | 995 | T1b2 |
| 300 | 995 | T1b2 |
| 310 | 995 | T1b2 |
| 380 | 995 | T1b2 |
| 390 | 995 | T1b2 |
| 400 | 995 | T2a2 |
| 410 | 995 | T2a2 |
| 420 | 995 | T2a2 |
| 440 | 995 | T2a2 |
| 450 | 995 | T2a2 |
| 550 | 995 | T2a2 |
| 200 | 996-998 | ERROR: |
| 210 | 996-998 | ERROR: |
| 220 | 996-998 | ERROR: |
| 250 | 996-998 | ERROR: |
| 300 | 996-998 | ERROR: |
| 310 | 996-998 | ERROR: |
| 380 | 996-998 | ERROR: |
| 390 | 996-998 | ERROR: |
| 400 | 996-998 | ERROR: |
| 410 | 996-998 | ERROR: |
| 420 | 996-998 | ERROR: |
| 440 | 996-998 | ERROR: |
| 450 | 996-998 | ERROR: |
| 550 | 996-998 | ERROR: |
| 200 | 999 | T1bNOS |
| 210 | 999 | T1b1 |
| 220 | 999 | T1b2 |
| 250 | 999 | T1bNOS |
| 300 | 999 | T1NOS |
| 310 | 999 | T1NOS |
| 380 | 999 | T1bNOS |
| 390 | 999 | T1bNOS |
| 400 | 999 | T2aNOS |
| 410 | 999 | T2aNOS |
| 420 | 999 | T2a1 |
| 440 | 999 | T2a2 |
| 450 | 999 | T2aNOS |
| 550 | 999 | T2NOS |