3. Subject with known active CNS metastases and/or carcinomatous meningitis. However, subjects with CNS metastases who have completed a course of therapy would be eligible for the study provided they are clinically stable for at least 1 month prior to entry as defined as: (1) no evidence of new or enlarging CNS metastasis or new neurological symptoms attributable to CNS metastases (2) off steroids that are used to minimize surrounding brain edema.