Involvement of the nervous system in non-Hodgkin's lymphomas.
D000328:Adult; D000368:Aged; D001932:Brain Neoplasms / Q000473:pathology; D002493:Central Nervous System Diseases / Q000134:cerebrospinal fluid / Q000473:pathology*; D002648:Child; D005260:Female; D006801:Humans; D008223:Lymphoma / Q000134:cerebrospinal fluid / Q000473:pathology*; D016403:Lymphoma, Large B-Cell, Diffuse / Q000473:pathology; D008228:Lymphoma, Non-Hodgkin / Q000473:pathology; D008297:Male; D008577:Meningeal Neoplasms / Q000473:pathology; D008581:Meningitis / Q000473:pathology; D008875:Middle Aged