Tx | Primary tumor cannot be assessed |
T0 | No evidence of residual tumor |
Ta | Superficial non invasive papillary carcinoma |
Tis | Superficial flat tumor (carcinoma in situ) |
T1 | Invasion of subepithelial connective tissue (lamina propria) |
T2a | Superficial invasion of muscularis mucosa (into inner half) |
T2b | Deep invasion of muscularis mucosa (into outer half) |
T3a | Microscopic perivesical spread |
T3b | Macroscopic perivesical spread |
T4a | Invasion of adjacent organs (prostate, seminal vesicles, uterus or vagina) |
T4b | Invasion of pelvic side wall or abdominal wall |
Nx | Regional lymph nodes not assessed |
N0 | No lymph node involvement |
N1 | One affected lymph node in true pelvis |
N2 | More than one affected true pelvic lymph node |
N3 | Common iliac lymph node involvement |
Mx | Distant metastasis cannot be assessed |
M0 | No distant metastases |
M1 | Distant metastases |