Kidney(Pathological) - TNM Calc
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Primary Tumor (T)
Regional Lymph Nodes (N)
Distant Metastasis (M)
R e s u l t s
Stage
 
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Kidney(Pathological) - TNM Calc

This view displays the TNM formula. Please select appropriate value from the list for T/N/M variables. The result will be displayed, based on your selection of variables.

Pathological T (pT)

pT Category pT Criteria
pTX Primary tumor cannot be assessed
pT0 No evidence of primary tumor
pT1 Tumor less than or equal to 7 cm in greatest dimension, limited to the kidney
pT1a Tumor less than or equal to 4 cm in greatest dimension, limited to the kidney
pT1b Tumor greater than 4 cm but less than or equal to 7 cm in greatest dimension limited to the kidney
pT2 Tumor greater than 7 cm in greatest dimension, limited to the kidney
pT2a Tumor greater than 7 cm but less than or equal to 10 cm in greatest dimension, limited to the kidney
pT2b Tumor greater than 10 cm, limited to the kidney
pT3 Tumor extends into major veins or perinephric tissues, but not into the ipsilateral adrenal gland and not beyond Gerota's fascia
pT3a Tumor extends into the renal vein or its segmental branches, or invades the pelvicalyceal system, or invades perirenal and /or renal sinus fat but not beyond Gerota's fascia
pT3b Tumor extends into the vena cava below the diaphragm
pT3c Tumor extends into the vena cava above the diaphragm or invades the wall of the vena cava
pT4 Tumor invades beyond Gerota's fascia (including contiguous extension into the ipsilateral adrenal gland )
cTX Primary tumor cannot be assessed
cT0 No evidence of primary tumor
cT1 Tumor less than or equal to 7 cm in greatest dimension, limited to the kidney
cT1a Tumor less than or equal to 4 cm in greatest dimension, limited to the kidney
cT1b Tumor greater than 4 cm but less than or equal to 7 cm in greatest dimension limited to the kidney
cT2 Tumor greater than 7 cm in greatest dimension, limited to the kidney
cT2a Tumor greater than 7 cm but less than or equal to 10 cm in greatest dimension, limited to the kidney
cT2b Tumor greater than 10 cm, limited to the kidney
cT3 Tumor extends into major veins or perinephric tissues, but not into the ipsilateral adrenal gland and not beyond Gerota's fascia
cT3a Tumor extends into the renal vein or its segmental branches, or invades the pelvicalyceal system, or invades perirenal and /or renal sinus fat but not beyond Gerota's fascia
cT3b Tumor extends into the vena cava below the diaphragm
cT3c Tumor extends into the vena cava above the diaphragm or invades the wall of the vena cava
cT4 Tumor invades beyond Gerota's fascia (including contiguous extension into the ipsilateral adrenal gland )
Pathological N (pN)
pN Category pN Criteria
pNX Regional lymph nodes cannot be assessed
pN0 No regional lymph node metastasis
pN1 Metastasis in regional lymph node(s)
cNX Regional lymph nodes cannot be assessed
cN0 No regional lymph node metastasis
cN1 Metastasis in regional lymph node(s)

Definition of Distant Metastasis (M)- Pathological M (pN)

pM Category pM Criteria
cM0 No distant metastasis
cM1 Distant metastasis
pM1 Microscopic evidence of distant metastasis