The most common sources of<unk>  in a case series of 2,700 patients undergoing treatment at the Memorial Sloan–Kettering Cancer Center were: * Lung cancer, 48% * Breast cancer, 15% * Genitourinary tract cancers, 11% * Osteosarcoma, 10% * Melanoma, 9% * Head and neck cancer, 6% * Neuroblastoma, 5% * Gastrointestinal cancers, especially colorectal and pancreatic carcinoma, 3% * Lymphoma, 1% Lung cancer and melanoma are most likely to present with multiple<unk> , whereas breast, colon, and renal cancers are more likely to present with a single<unk> .
Brain metastasis
Brain abscess
Leptomeningeal cancer
Central nervous system cavernous hemangioma
Coma
Brainstem glioma
Subdural empyema
Brain tumor