Primary tumor (T)* | |||
T category | FIGO stage | T criteria | |
TX | Primary tumor cannot be assessed | ||
T0 | No evidence of primary tumor | ||
T1 | I | Tumor confined to the vulva | |
T1a | IA | Tumor size ≤2 cm in greatest dimension and stromal invasion ≤1 mm NOTE: Depth of invasion is measured from the basement membrane of the deepest adjacent tumor-free rete ridge to the deepest point of invasion. | |
T1b | IB | Tumor size >2 cm in greatest dimension or stromal invasion >1 mm NOTE: Depth of invasion is measured from the basement membrane of the deepest adjacent tumor-free rete ridge to the deepest point of invasion. | |
T2 | II | Tumor of any size with extension to lower 1/3 of urethra, lower 1/3 of vagina, or anus | |
T3 | IIIA | Tumor of any size with disease extension to upper 2/3 of urethra, upper 2/3 of vagina, bladder mucosa, rectal mucosa | |
T4 | IVA | Tumor fixed to pelvic bone | |
Primary tumor suffix
| |||
Regional lymph nodes (N)* | |||
N category | FIGO stage | N criteria | |
NX | Regional lymph nodes cannot be assessed | ||
N0 | No regional lymph node metastasis | ||
N0(i+) | Isolated tumor cells in regional lymph node(s) ≤0.2 mm, or single cells or clusters of cells ≤200 cells in a single lymph node cross-section | ||
N1 | III | Tumor involvement of non-fixed, non-ulcerated regional lymph nodes | |
N1mi | IIIA | Tumor involvement >0.2 mm but ≤2.0 mm in diameter of regional lymph nodes | |
N1a | IIIA | Tumor involvement >2.0 mm but ≤5 mm of regional lymph nodes | |
N1b | IIIB | Tumor involvement >5 mm of regional lymph nodes | |
N1c | IIIC | Tumor involvement of regional lymph nodes with extranodal extension (ENE) | |
N2 | IVA | Tumor involvement of fixed or ulcerated regional lymph nodes | |
Regional lymph nodes suffix
| |||
Distant metastasis (M)* | |||
M category | FIGO stage | M criteria | |
cM0 | No distant metastasis | ||
cM1 | IVB | Distant metastasis | |
pM1 | IVB | Microscopic confirmation of distant metastasis | |
AJCC prognostic stage group is assigned based on the stage classification and categories chosen.* | |||
Prognostic stage groups | |||
When T is... | And N is... | And M is... | Then the stage group is... |
T1 | N0 | M0 | I |
T1a | N0 | M0 | IA |
T1b | N0 | M0 | IB |
T2 | N0 | M0 | II |
TX-T3 | N1 | M0 | III |
T3 | N0 | M0 | IIIA |
TX-T3 | N1mi, N1a | M0 | IIIA |
TX-T3 | N1b | M0 | IIIB |
TX-T3 | N1c | M0 | IIIC |
T4 | Any N | M0 | IVA |
Any T | N2 | M0 | IVA |
Any T | Any N | M1 | IVB |
AJCC: American Joint Committee on Cancer; FIGO: International Federation of Gynecology and Obstetrics; TNM: tumor, node, metastasis.
* AJCC data elements required for staging are identified with an asterisk.آیا می خواهید مدیلیب را به صفحه اصلی خود اضافه کنید؟