Extension Size AJCC 6 Table

Notes

**Note**: For CS Extension codes 100-800, 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, 300, 350, 360, 370, 380, 400, 600, 800 000, 998 ERROR:
100, 300, 350, 360, 370, 380, 400, 600, 800 001-050, 990-995 T1b
100, 300, 350, 360, 370, 380, 400, 600, 800 051-989, 996-997 T2b
100, 300, 400, 600, 800 999 TX
350, 360 999 T1b
370, 380 999 T2b
CS Extension CS Tumor Size AJCC 6 T
100 000 ERROR:
300 000 ERROR:
350 000 ERROR:
360 000 ERROR:
370 000 ERROR:
380 000 ERROR:
400 000 ERROR:
600 000 ERROR:
800 000 ERROR:
100 001-050 T1b
300 001-050 T1b
350 001-050 T1b
360 001-050 T1b
370 001-050 T1b
380 001-050 T1b
400 001-050 T1b
600 001-050 T1b
800 001-050 T1b
100 051-989 T2b
300 051-989 T2b
350 051-989 T2b
360 051-989 T2b
370 051-989 T2b
380 051-989 T2b
400 051-989 T2b
600 051-989 T2b
800 051-989 T2b
100 990-995 T1b
300 990-995 T1b
350 990-995 T1b
360 990-995 T1b
370 990-995 T1b
380 990-995 T1b
400 990-995 T1b
600 990-995 T1b
800 990-995 T1b
100 996-997 T2b
300 996-997 T2b
350 996-997 T2b
360 996-997 T2b
370 996-997 T2b
380 996-997 T2b
400 996-997 T2b
600 996-997 T2b
800 996-997 T2b
100 998 ERROR:
300 998 ERROR:
350 998 ERROR:
360 998 ERROR:
370 998 ERROR:
380 998 ERROR:
400 998 ERROR:
600 998 ERROR:
800 998 ERROR:
100 999 TX
300 999 TX
350 999 T1b
360 999 T1b
370 999 T2b
380 999 T2b
400 999 TX
600 999 TX
800 999 TX