- Patients who received prior radiation therapy (RT) for treatment of germ cell tumor are eligible for this study as long as there is evidence of progressive disease determined by tumor markers or other sites of metastases outside of the radiated site. Radiation must be completed prior to starting chemotherapy with the exception of brain metastases where chemotherapy and radiation can be given concurrently. Toxicity from radiation must have recovered to grade 1 or less prior to initiating chemotherapy.