Cluster 213: compression carcinomatous meningitis spinal cord seizure brain metastases disorder active Cluster 679: compression cord leptomeningeal spinal metastases brain disease cns carcinomatosis uncontrolled Cluster 830: muscular myopathies dystrophy neuromuscular amyotrophic atrophy lateral ck sclerosis spinal Cluster 1187: spinal cord compression untreated brain metastases leptomeningeal symptomatic metastasis stable Cluster 1634: brain carcinomatous compression meningitis spinal cord leptomeningeal new evidence metastases Cluster 1941: spinal cord compression tumor evidence cauda imminent brainstem impending radiation Cluster 1982: compression cord spinal brain metastases stable unless asymptomatic steroids treatment