Stage	Description		Stage	Description
Primary tumor (pathological)			Regional LN (continued)
pTX	Primary tumor cannot be assessed		Pathologic
pT0	No evidence of primary tumor		pNX	Regional LN cannot be assessed
pTis	Germ cell neoplasia in situ		pN0	No regional LN metastasis on biopsy
pT1	Tumor limited to the testis (including rete testis invasion) without LVI		pN1	Metastasis with LN mass 2 cm or smaller in greatest dimension; five or fewer nodes positive, none larger than 2 cm in greatest dimension
pT1a	Tumor smaller than 3 cm in size*		pN2	Metastasis with LN mass larger than 2 cm but not larger than 5 cm in greatest dimension; more than five nodes positive, none larger than 5 cm in greatest dimension; or evidence of extranodal extension of tumor
pT1b	Tumor 3 cm or larger in size*		pN3	Metastasis with LN mass larger than 5 cm in greatest dimension
pT2	Tumor limited to the testis (including rete testis invasion) with LVI; or tumor invading hilar soft tissue or epididymis, or penetrating visceral mesothelial layer covering the external surface of the tunica albuginea with or without LVI		Distant metastasis
pT3	Tumor invades the spermatic cord with or without LVI		M0	No distant metastasis
pT4	Tumor invades the scrotum with or without LVI		M1	Distant metastasis present
Regional LN			M1a	Nonretroperitoneal nodal or pulmonary metastasis
Clinical			M1b	Nonpulmonary visceral metastasis
cNX	Regional LN cannot be assessed
cN0	No regional LN metastasis on imaging
cN1	Metastasis with LN mass 2 cm or smaller in greatest dimension; or multiple LNs, none larger than 2 cm in greatest dimension
cN2	Metastasis with LN mass larger than 2 cm but not larger than 5 cm in greatest dimension; or multiple LNs, any one mass larger than 2 cm but not larger than 5 cm in greatest dimension
cN3	Metastasis with LN mass larger than 5 cm in greatest dimension
Stage	Description
Serum biomarkers
	Lactate dehydrogenase	Human chorionic gonadotropin		Alpha fetoprotein
SX	Biomarkers not available or not measured
S0	Normal	Normal		Normal
S1†	< 1.5 times normal	< 5,000 mIU per mL (5,000 IU per L)		< 1,000 ng per mL (1,000 mcg per L)
S2‡	1.5 to 10 times normal	5,000 to 50,000 mIU per mL (5,000 to 50,000 IU per L)		1,000 to 10,000 ng per mL (1,000 to 10,000 mcg per L)
S3‡	> 10 times normal	> 50,000 mIU per mL		> 10,000 ng per mL