Table 6.
AJCC staging system (adapted from the AJCC Cancer Staging Forms, 7th Edition)
| American Joint Committee on Cancer(AJCC) staging system | ||||
|---|---|---|---|---|
| Stage | Primary tumour (T) | Regional lymph nodes (N) | Distant metastasis (M) | Histologic grade (G) |
| Stage IA | T1 | N0 | M0 | G1, 2 (low grade) |
| Stage IB |
T2 T3 |
N0 N0 |
M0 N0 |
G1, 2 (low grade) |
| Stage IIA | T1 | N0 | M0 | G3, 4 (high grade) |
| Stage IIB | T2 | N0 | M0 | G3, 4 (high grade) |
| Stage III | T3 | N0 | M0 | G3, 4 (high grade) |
| Stage IVA | Any T | N0 | M1a | Any G |
| Stage IVB |
Any T Any T |
N1 Any N |
Any M M1b |
Any G Any G |