Extension Grade LVI Table
Notes
**Note**: For CS Extension codes 100, 300, 310, 320 and 500 ONLY, the AJCC 7th Edition T category is assigned based on the value of Grade and Lymph-vascular Invasion as shown in this table.
CS Extension |
Grade |
Lymph-vascular Invasion |
T Category |
100, 300, 305, 310, 320 |
1-2 |
0 |
T1a |
100, 300, 305, 310 |
1-2, 3-4, 9 |
1 |
T1b |
100, 300, 305 |
1-2, 9 |
8-9 |
T1NOS |
100, 300, 305, 310 |
3-4 |
0, 8-9 |
T1b |
100, 300, 305 |
9 |
0 |
T1NOS |
310 |
1-2, 9 |
8-9 |
T1a |
310 |
9 |
0 |
T1a |
320 |
1-2 |
1, 8-9 |
T1b |
320 |
3-4, 9 |
0, 1, 8-9 |
T1b |
CS Extension |
Grade |
Lymph-vascular Invasion |
T Category |
100 |
1-2 |
0 |
T1a |
100 |
1-2 |
1 |
T1b |
100 |
1-2 |
8-9 |
T1NOS |
100 |
3-4 |
0 |
T1b |
100 |
3-4 |
1 |
T1b |
100 |
3-4 |
8-9 |
T1b |
100 |
9 |
0 |
T1NOS |
100 |
9 |
1 |
T1b |
100 |
9 |
8-9 |
T1NOS |
300 |
1-2 |
0 |
T1a |
300 |
1-2 |
1 |
T1b |
300 |
1-2 |
8-9 |
T1NOS |
300 |
3-4 |
0 |
T1b |
300 |
3-4 |
1 |
T1b |
300 |
3-4 |
8-9 |
T1b |
300 |
9 |
0 |
T1NOS |
300 |
9 |
1 |
T1b |
300 |
9 |
8-9 |
T1NOS |
305 |
1-2 |
0 |
T1a |
305 |
1-2 |
1 |
T1b |
305 |
1-2 |
8-9 |
T1NOS |
305 |
3-4 |
0 |
T1b |
305 |
3-4 |
1 |
T1b |
305 |
3-4 |
8-9 |
T1b |
305 |
9 |
0 |
T1NOS |
305 |
9 |
1 |
T1b |
305 |
9 |
8-9 |
T1NOS |
310 |
1-2 |
0 |
T1a |
310 |
1-2 |
1 |
T1b |
310 |
1-2 |
8-9 |
T1a |
310 |
3-4 |
0 |
T1b |
310 |
3-4 |
1 |
T1b |
310 |
3-4 |
8-9 |
T1b |
310 |
9 |
0 |
T1a |
310 |
9 |
1 |
T1b |
310 |
9 |
8-9 |
T1a |
320 |
1-2 |
0 |
T1a |
320 |
1-2 |
1 |
T1b |
320 |
1-2 |
8-9 |
T1b |
320 |
3-4 |
0 |
T1b |
320 |
3-4 |
1 |
T1b |
320 |
3-4 |
8-9 |
T1b |
320 |
9 |
0 |
T1b |
320 |
9 |
1 |
T1b |
320 |
9 |
8-9 |
T1b |