title: Severe Mycobacterium kansasii infection of the lung.
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis / Q000209:etiology*; D008297:Male; D009164:Mycobacterium Infections / Q000175:diagnosis; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis