Table 1.

Patient characteristics.

Variable	Category	All (685)
Tumor size	≤4 cm	408
	>4 cm	161
	Missing	116 (16.9%)
Rete testis invasion	Absent	312
	Present	166
	Missing	207 (30.2%)
Age at surgery	≤36	361
	>36	323
	Missing	1 (0.15%)
Small vessels invasion	Absent	462
	Present	50
	Missing	173 (25.3%)