Central nervous system involvement in non-Hodgkin's lymphoma.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001932:Brain Neoplasms / Q000401:mortality / Q000628:therapy*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008228:Lymphoma, Non-Hodgkin / Q000401:mortality / Q000628:therapy*; D008297:Male; D008875:Middle Aged; D013120:Spinal Cord Neoplasms / Q000401:mortality / Q000628:therapy*