Extension Periductal Invasion AJCC 7 Table
Notes
**Note**: For CS Extension codes 100-520, 580, 620, 631-650, 660-665, 675-755, 765-800 ONLY, the T category for AJCC 7 staging is assigned based on the value of CS Site-Specific Factor 10, as shown in this table.
CS Extension |
CS SSF 10 |
AJCC 7 T |
100-170, 500-510 |
000, 988, 999 |
T1 |
200-270, 520, 631 |
000, 988, 999 |
T2a |
300-475, 632, 650, 675 |
000, 988, 999 |
T2b |
480 |
000, 988, 999 |
T2NOS |
580, 620, 640-645, 660-665, 700-755, 765-800 |
000, 988, 999 |
T3 |
999 |
000, 988, 999 |
TX |
100-170, 500-510, 200-270, 520, 631, 300-475, 632, 650, 675, 480, 999 |
010 |
T4 |
580, 620, 640-645, 660-665, 700-755, 765-800 |
010 |
T4 |
CS Extension |
CS SSF 10 |
AJCC 7 T |
100-170, 500-510 |
000 |
T1 |
200-270, 520, 631 |
000 |
T2a |
300-475, 632, 650, 675 |
000 |
T2b |
480 |
000 |
T2NOS |
580, 620, 640-645, 660-665, 700-755, 765-800 |
000 |
T3 |
999 |
000 |
TX |
100-170, 500-510 |
010 |
T4 |
200-270, 520, 631 |
010 |
T4 |
300-475, 632, 650, 675 |
010 |
T4 |
480 |
010 |
T4 |
580, 620, 640-645, 660-665, 700-755, 765-800 |
010 |
T4 |
999 |
010 |
T4 |
100-170, 500-510 |
988, 999 |
T1 |
200-270, 520, 631 |
988, 999 |
T2a |
300-475, 632, 650, 675 |
988, 999 |
T2b |
480 |
988, 999 |
T2NOS |
580, 620, 640-645, 660-665, 700-755, 765-800 |
988, 999 |
T3 |
999 |
988, 999 |
TX |