title: [Six cases of non-Hodgkin's lymphoma with pyothorax or chronic pleuritis].
mesh_terms: D000368:Aged; D004653:Empyema / Q000150:complications*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000150:complications*; D008228:Lymphoma, Non-Hodgkin / Q000150:complications* / Q000175:diagnosis / Q000473:pathology; D008297:Male; D008875:Middle Aged; D010998:Pleurisy / Q000150:complications*