title: Hairy cell leukemia.
mesh_terms: D006801:Humans; D007938:Leukemia / Q000175:diagnosis* / Q000601:surgery; D008206:Lymphatic Diseases / Q000175:diagnosis* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D010166:Palliative Care; D013156:Splenectomy