Extension Size Table

Notes

**Note**: For CS Extension codes 100-300 ONLY, the T category for AJCC 7 staging is assigned based on the value of CS Tumor Size and CS Extension, as shown in this table.
CS Extension CS Tumor Size AJCC 7 T
100, 200, 250, 300 000, 997-998 ERROR:
100, 200, 250, 300 001-050, 990-991, 992-994 T1
100, 200, 250, 300 051-989 T2
100, 200, 300 995 T1
250 995, 996, 999 T2
100, 300 996 T2
200 996, 999 T1
100, 300 999 TX
CS Extension CS Tumor Size AJCC 7 T
100 000 ERROR:
200 000 ERROR:
250 000 ERROR:
300 000 ERROR:
100 001-050 T1
200 001-050 T1
250 001-050 T1
300 001-050 T1
100 051-989 T2
200 051-989 T2
250 051-989 T2
300 051-989 T2
100 990-991 T1
200 990-991 T1
250 990-991 T1
300 990-991 T1
100 992-994 T1
200 992-994 T1
250 992-994 T1
300 992-994 T1
100 995 T1
200 995 T1
250 995 T2
300 995 T1
100 996 T2
200 996 T1
250 996 T2
300 996 T2
100 997-998 ERROR:
200 997-998 ERROR:
250 997-998 ERROR:
300 997-998 ERROR:
100 999 TX
200 999 T1
250 999 T2
300 999 TX