Part of Cancer staging guidance sheets
Kidney tumours (ICD10 C64)
Introduction
This is the data sheet for TNM 8th edition staging of kidney tumours (ICD10 C64)
For more detailed information regarding TNM staging, please see pages 199-201 of the UICC TNM 8 book or visit the Wiley and UICC website.
Stage groupings
Stage Group |
T stage |
N stage |
M stage |
---|---|---|---|
Stage I |
T1 |
N0 |
M0 |
Stage II |
T2 |
N0 |
M0 |
Stage III |
T3 |
N0 |
M0 |
T1, T2, T3 |
N1 |
M0 |
|
Stage IV |
T4 |
Any N |
M0 |
|
Any T |
Any N |
M1 |
TNM clinical classification
T - primary tumour
T value | Description |
---|---|
TX |
Primary tumour cannot be assessed |
T0 |
No evidence of primary tumour |
T1 |
Tumour 7 cm or less in greatest dimension, limited to the kidney |
T1a |
Tumour 4 cm or less |
T1b |
Tumour more than 4 cm but not more than 7 cm |
T2 |
Tumour more than 7 cm in greatest dimension, limited to the kidney |
T2a |
Tumour more than 7 cm but not more than 10 cm |
T2b |
Tumour more than 10 cm, limited to the kidney |
T3 |
Tumour extends into major veins or perinephric tissues but not into the ipsilateral adrenal gland and not beyond Gerota fascia |
T3a |
Tumour extends into the renal vein or its segmental branches, or tumour invades the pelvicalyceal system or tumour invades perirenal and/or renal sinus fat (peripelvic) fat but not beyond Gerota fascia |
T3b |
Tumour extends into vena cava below diaphragm |
T3c |
Tumour extends into vena cava above the diaphragm or invades the wall of the vena cava |
T4 |
Tumour invades beyond Gerota fascia (including contiguous extension into the ipsilateral adrenal gland) |
N - regional lymph nodes
N value | Description |
---|---|
NX |
Regional lymph nodes cannot be assessed |
N0 |
No regional lymph node metastasis |
N1 |
Metastasis in regional lymph node(s) |
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 T and N categories.
Last edited: 29 December 2022 2:11 pm