TX Primary tumour cannot be assessed |
T0 No evidence of primary tumour |
Ta Non-invasive papillary carcinoma |
Tis Carcinoma in situ: ‘flat tumour’ |
T1 Tumour invades subepithelial connective tissue |
T2 Tumour invades muscle |
T2a Tumour invades superficial muscle (inner half) |
T2b Tumour invades deep muscle (outer half) |
T3 Tumour invades perivesical tissue |
T3a Microscopically |
T3b Macroscopically (extravesical mass) |
T4 Tumour invades any of the following: prostate stroma, seminal vesicles, uterus, vagina, pelvic wall, abdominal wall |
T4a Tumour invades prostate stroma, seminal vesicles, uterus or vagina |
T4b Tumour invades pelvic wall or abdominal wall |
|
N - regional lymph nodes |
NX Regional lymph nodes cannot be assessed |
N0 No regional lymph node metastasis |
N1 Metastasis in a single lymph node in the true pelvis (hypogastric, obturator, external iliac, or presacral) |
N2 Metastasis in multiple regional lymph nodes in the true pelvis (hypogastric, obturator, external iliac, or presacral) |
N3 Metastasis in common iliac lymph node(s) |
|
M - distant metastasis |
M0 No distant metastasis |
M1a Non-regional lymph nodes |
M1b Other distant metastases |