Extension Size Table

Notes

**Note 1**: For CS Extension codes 100-660, 710, and 720-795, 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, 150, 180, 300, 400, 510, 520, 530, 580, 600, 610, 620, 630, 640, 650, 660, 710, 720, 722, 725, 728, 730, 735, 750, 780, 785, 790, 795 000, 997-998 ERROR:
100, 150, 180, 300, 400, 510, 520, 530, 580, 600, 610, 620, 630, 640, 650, 660, 710, 720, 722, 725, 728, 730, 735, 750, 780, 785, 790, 795 001-050, 990-995 T1b
100, 150, 180, 300, 400, 510, 520, 530, 580, 600, 610, 620, 630, 640, 650, 660, 710, 720, 722, 725, 728, 730, 735, 750, 780, 785, 790, 795 051-989 T2b
100, 150, 180, 300, 400, 510, 520, 530, 580, 600, 610, 620, 630, 640, 650, 660, 710, 720, 722, 725, 728, 730, 735, 750, 780, 785, 790, 795 999 TX
CS Extension CS Tumor Size AJCC 6 T
100, 150, 180, 300, 400, 510, 520, 530, 580, 600, 610, 620, 630, 640, 650, 660 000 ERROR:
710 000 ERROR:
720, 722, 725, 728, 730, 735, 750, 780, 785, 790, 795 000 ERROR:
100, 150, 180, 300, 400, 510, 520, 530, 580, 600, 610, 620, 630, 640, 650, 660 001-050 T1b
710 001-050 T1b
720, 722, 725, 728, 730, 735, 750, 780, 785, 790, 795 001-050 T1b
100, 150, 180, 300, 400, 510, 520, 530, 580, 600, 610, 620, 630, 640, 650, 660 051-989 T2b
710 051-989 T2b
720, 722, 725, 728, 730, 735, 750, 780, 785, 790, 795 051-989 T2b
100, 150, 180, 300, 400, 510, 520, 530, 580, 600, 610, 620, 630, 640, 650, 660 990-995 T1b
710 990-995 T1b
720, 722, 725, 728, 730, 735, 750, 780, 785, 790, 795 990-995 T1b
100, 150, 180, 300, 400, 510, 520, 530, 580, 600, 610, 620, 630, 640, 650, 660 997-998 ERROR:
710 997-998 ERROR:
720, 722, 725, 728, 730, 735, 750, 780, 785, 790, 795 997-998 ERROR:
100, 150, 180, 300, 400, 510, 520, 530, 580, 600, 610, 620, 630, 640, 650, 660 999 TX
710 999 TX
720, 722, 725, 728, 730, 735, 750, 780, 785, 790, 795 999 TX