Chemotherapy Plus Peripheral Stem Cell Transplant in Treating Patients With Central Nervous System Cancer

brain and central nervous system tumors, head and neck cancer, lymphoma, recurrent adult brain tumor, adult medulloblastoma, adult oligodendroglioma, recurrent esthesioneuroblastoma of the paranasal sinus and nasal cavity, adult anaplastic astrocytoma, adult central nervous system germ cell tumor, primary central nervous system non-hodgkin lymphoma, adult anaplastic oligodendroglioma, interventional