- Intermediate-risk (Modified*) a) Testis or retroperitoneal primary NSGCT with lymph node and/or lung metastasis but without non-pulmonary visceral metastasis AND any of the following pretreatment serum tumor marker (STM) values: i. Lactate dehydrogenase (LDH) from 3 to <10 x ULN (*This differs from the original IGCCCG criteria which includes patients with LDH from 1.5 to 10 x ULN).