Bronchoalveolar lavage.
D002452:Cell Count; D006801:Humans; D008168:Lung / Q000166:cytology / Q000473:pathology; D008171:Lung Diseases / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy; D008264:Macrophages; D011658:Pulmonary Fibrosis / Q000175:diagnosis / Q000473:pathology; D012507:Sarcoidosis / Q000175:diagnosis / Q000473:pathology; D012907:Smoking / Q000473:pathology; D007507:Therapeutic Irrigation