Part of Cancer staging guidance sheets
Urethra tumours (ICD10 C68.0, C61.9)
Introduction
This is the data sheet for TNM 9th edition staging of urethra tumours (ICD10 C68.0, C61.9).
For more detailed information regarding TNM staging, please see pages 201-202 of the UICC TNM 9 book.
Stage groupings
|
Stage Group |
T stage |
N stage |
M stage |
|---|---|---|---|
|
Stage 0a |
Ta |
N0 |
M0 |
|
Stage 0is |
Tis |
N0 |
M0 |
|
Stage I |
T1 |
N0 |
M0 |
|
Stage II |
T2 |
N0 |
M0 |
|
Stage III |
T1, T2 |
N1 |
M0 |
|
|
T3 |
N0, N1 |
M0 |
|
Stage IV |
T4 |
N0, N1 |
M0 |
|
|
Any T |
N2 |
M0 |
|
|
Any T |
Any N |
M1 |
TNM clinical classification
T - primary tumour
|
T value |
Description |
|---|---|
|
cTX |
Primary tumour cannot be assessed |
|
cT0 |
No evidence of primary tumour |
Urethra (male and female)
|
T value |
Description |
|---|---|
|
cTa |
Non‐invasive papillary, polypoid, or verrucous carcinoma |
|
cTis |
Carcinoma in situ |
|
cT1 |
Tumour invades subepithelial connective tissue |
|
cT2 |
Tumour invades any of the following: corpus spongiosum, prostate, periurethral muscle |
|
cT3 |
Tumour invades any of the following: corpus cavernosum, beyond prostatic capsule, anterior vagina or bladder neck (extraprostatic extension) |
|
cT4 |
Tumour invades other adjacent organs (invasion of the bladder) |
Urothelial carcinoma of the prostate and prostatic urethra
|
T value |
Description |
|---|---|
|
cTis |
Carcinoma in situ, involving the prostatic urethra, periurethral or prostatic ducts without stromal invasion |
|
cT1 |
Tumour invades subepithelial connective tissue (for tumours involving prostatic urethra only) |
|
cT2 |
Tumour invades any of the following: prostatic stroma, corpus spongiosum, periurethral muscle |
|
cT3 |
Tumour invades any of the following: corpus cavernosum, beyond prostatic capsule or bladder neck (extraprostatic extension) |
|
cT4 |
Tumour invades other adjacent organs (invasion of the bladder or rectum) |
N - regional lymph nodes
|
N value |
Description |
|---|---|
|
cNX |
Regional lymph nodes cannot be assessed |
|
cN0 |
No regional lymph node metastasis |
|
cN1 |
Metastasis in a single lymph node |
|
cN2 |
Metastasis in multiple lymph nodes |
M - distant metastasis
|
M value |
Description |
|---|---|
|
M0 |
No distant metastasis |
|
M1 |
Distant Metastasis |
TNM pathological classification
pT - primary tumour
The pT and pN categories correspond to the cT and cN categories.
Last edited: 16 January 2026 3:55 pm
