Primary tumour |
The extent of the primary tumour is classified after radical orchidectomy (pT) |
pTX |
Primary tumour cannot be assessed (if no radical orchidectomy has been performed, TX is used) |
pT0 |
No evidence of primary tumour (e.g. histological scar in testis) |
pTis |
Intratubular germ cell neoplasia |
pT1 |
Tumour limited to testis and epididymis without vascular/lymphatic invasion; tumour may invade into the tunica albuginea but not the tunica vaginalis |
pT2 |
Tumour limited to testis and epididymis with vascular/lymphatic invasion, or tumour extending through tunica albuginea with involvement of tunica vaginalis |
pT3 |
Tumour invades spermatic cord with or without vascular/lymphatic invasion |
pT4 |
Tumour invades scrotum with or without vascular/lymphatic invasion |
Regional lymph nodes |
Clinical involvement |
NX |
Regional nodes cannot be assessed |
N0 |
No regional lymph node metastasis |
N1 |
Metastasis with a lymph node mass ≤2 cm in greatest dimension or multiple lymph nodes none >2 cm in greatest dimension |
N2 |
Metastasis with a lymph node mass >2 cm but <5 cm in greatest dimension, or multiple lymph nodes, any one mass >2 cm but ≤5 cm in greatest dimension |
N3 |
Metastasis with a lymph node mass >5 cm in greatest dimension |
Pathological involvement |
pN0 |
No regional lymph node metastases |
pN1 |
Metastasis with a lymph node mass ≤2 cm in greatest dimension and 5 or fewer positive nodes, none >2 cm in greatest dimension |
pN2 |
Metastasis with a lymph node mass >2 cm but ≤5 cm in greatest dimensions; or more than five nodes positive, none >5 cm; or evidence of extranodal extension of tumour |
pN3 |
Metastasis with a lymph node mass >5 cm in greatest dimension |
Distant metastases |
MX |
Distant metastasis cannot be assessed |
M0 |
No distant metastasis |
M1 |
Distant metastasis |
M1a |
Non-regional lymph node or pulmonary metastasis |
M1b |
Distant metastasis other than to non-regional lymph nodes and lungs |
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