Chronic middle lobe infection. Factors responsible for its development.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001995:Bronchography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008878:Middle Lobe Syndrome / Q000209:etiology* / Q000601:surgery*; D011013:Pneumonectomy; D001261:Pulmonary Atelectasis; D013902:Radiography, Thoracic