Extension Size AJCC 6 Table

Notes

**Note**: For CS Extension codes 100- 405 ONLY, the T category for AJCC 6 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 6 T
100, 300, 400, 405 000, 997-998 ERROR:
100, 300 001-025, 990-992 T1
400, 405 001-025, 026-050, 990-992, 993-995 T3a
100, 300 026-050, 051-989, 993-995, 996 T2
400, 405 051-989, 996 T3b
100, 300 999 TX
400, 405 999 T3NOS
CS Extension CS Tumor Size AJCC 6 T
100 000 ERROR:
300 000 ERROR:
400 000 ERROR:
405 000 ERROR:
100 001-025 T1
300 001-025 T1
400 001-025 T3a
405 001-025 T3a
100 026-050 T2
300 026-050 T2
400 026-050 T3a
405 026-050 T3a
100 051-989 T2
300 051-989 T2
400 051-989 T3b
405 051-989 T3b
100 990-992 T1
300 990-992 T1
400 990-992 T3a
405 990-992 T3a
100 993-995 T2
300 993-995 T2
400 993-995 T3a
405 993-995 T3a
100 996 T2
300 996 T2
400 996 T3b
405 996 T3b
100 997-998 ERROR:
300 997-998 ERROR:
400 997-998 ERROR:
405 997-998 ERROR:
100 999 TX
300 999 TX
400 999 T3NOS
405 999 T3NOS