Non-Hodgkins lymphoma involving the optic nerve.
D000368:Aged; D003390:Cranial Nerve Neoplasms / Q000473:pathology*; D006801:Humans; D008223:Lymphoma / Q000473:pathology*; D008297:Male; D009900:Optic Nerve / Q000473:pathology; D009901:Optic Nerve Diseases / Q000473:pathology*