SeminomaTesticular NeoplasmsDysgerminomaNeoplasms, Germ Cell and EmbryonalOrchiectomyMediastinal NeoplasmsRetroperitoneal NeoplasmsGerminomaSertoli Cell TumorTestisMesonephromaTeratomaBleomycinWheat Germ AgglutininsSpermatogenesisCarcinoma, EmbryonalSpermatocytesCryptorchidismCisplatinRadiotherapy, AdjuvantGerm LayersEndodermal Sinus TumorTooth GermGonadsChoriocarcinomaSpermatozoaChorionic Gonadotropin, beta Subunit, HumanCombined Modality TherapyEtoposide