Extension Size Table AJCC 7

Notes

**Note**: For CS Extension codes 100-360 ONLY, the T category for AJCC 7 staging is assigned based on the value of CS Tumor Size, as shown in this table.
CS Extension CS Tumor Size AJCC 7 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, 360 071-100 T2a
100, 200, 300, 310, 320, 330, 340, 350, 360 101-989 T2b
100, 200, 300, 310 992-994 T1a
320 992-994, 995, 996, 997, 998, 999 T1b
330 992-994, 996, 997, 999 T1NOS
340 992-994, 996, 997, 998, 999 T2a
350 992-994, 996, 997, 998, 999 T2b
360 992-994, 996, 997, 998, 999 T2NOS
100, 200, 300, 310, 330, 340, 350, 360 995 T1b
100, 200, 300 996 T1NOS
310 996, 997, 998, 999 T1a
100, 200, 300 997 T2NOS
100, 200, 300 998 T2b
330 998 T1NOS
100, 200, 300 999 TX
CS Extension CS Tumor Size AJCC 7 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
100 071-100 T2a
200 071-100 T2a
300 071-100 T2a
310 071-100 T2a
320 071-100 T2a
330 071-100 T2a
340 071-100 T2a
350 071-100 T2a
360 071-100 T2a
100 101-989 T2b
200 101-989 T2b
300 101-989 T2b
310 101-989 T2b
320 101-989 T2b
330 101-989 T2b
340 101-989 T2b
350 101-989 T2b
360 101-989 T2b
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 T2a
350 992-994 T2b
360 992-994 T2NOS
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 T2a
350 996 T2b
360 996 T2NOS
100 997 T2NOS
200 997 T2NOS
300 997 T2NOS
310 997 T1a
320 997 T1b
330 997 T1NOS
340 997 T2a
350 997 T2b
360 997 T2NOS
100 998 T2b
200 998 T2b
300 998 T2b
310 998 T1a
320 998 T1b
330 998 T1NOS
340 998 T2a
350 998 T2b
360 998 T2NOS
100 999 TX
200 999 TX
300 999 TX
310 999 T1a
320 999 T1b
330 999 T1NOS
340 999 T2a
350 999 T2b
360 999 T2NOS