Reliability of Serum Tumor Marker Measurement to Diagnose Recurrence in Patients with Clinical Stage I Nonseminomatous Germ Cell Tumors Undergoing Active Surveillance: A Systematic Review.

Purpose:Men with nonseminomatous germ cell tumors (NSGCT) of the testicle without evidence of residual disease after radical orchiectomy (Clinical stage I; CS-I) are increasingly managed with activ...