title: Non-Hodgkin's lymphoma presenting initially as a sleep-apnea syndrome.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D008228:Lymphoma, Non-Hodgkin / Q000175:diagnosis* / Q000188:drug therapy; D008297:Male; D008875:Middle Aged; D012891:Sleep Apnea Syndromes / Q000209:etiology* / Q000628:therapy