Filgrastim Completed Phase 2 Trials for Renal Cancers / Testicular germ cell tumour / Unspecified Adult Solid Tumor, Protocol Specific / Cancer, Bladder / Brain and Central Nervous System Tumors / Ovarian Cancer / Sarcomas / Extragonadal Germ Cell Tumor / Lung Cancers / Carcinoma of Unknown Primary / Head and Neck Carcinoma Treatment