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TNM and Stage Groupings > Vagina
Vagina
Primary Tumor (T)
| T Category |
Stage Category Definitions |
| TX |
Primary tumor cannot be assessed |
| T0 |
No evidence of primary tumor |
| Tis |
Carcinoma in situ |
| T1 |
Tumor confined to vagina |
| T2 |
Tumor invades paravaginal tissues but not to pelvic wall |
| T3 |
Tumor extends to pelvic wall** |
| T4 |
Tumor invades mucosa of the bladder or rectum and/or extends beyond the true
pelvis (bullous edema is not sufficient evidence to classify a tumor as T4) |
*FIGO staging no longer includes Stage 0 (Tis).
**Pelvic wall is defined as muscle, fascia, neurovascular structures, or skeletal
portions of the bony pelvis.
Regional Lymph Nodes (N)
| N Category |
Stage Category Definitions |
| NX |
Regional lymph nodes cannot be assessed |
| N0 |
No regional lymph node metastasis |
| N1 |
Pelvic or inguinal lymph node metastasis |
Distant Metastasis (M)
| M Category |
Stage Category Definitions |
| M1 |
Distant metastasis |
No distant metastasis (no pathologic M0; use clinical M to complete stage group)
Anatomic Stage/Prognostic Groups
| Stage |
T |
N |
M |
| 0 |
Tis |
N0 |
M0 |
| I |
T1 |
N0 |
M0 |
| II |
T2 |
N0 |
M0 |
| III |
T1-T3 |
N1 |
M0 |
| III |
T3 |
N0 |
M0 |
| IVA |
T4 |
Any N |
M0 |
| IVB |
Any T |
Any N |
M1 |
*FIGO no longer includes Stage 0 (Tis).
