Chronic aspiration pneumonitis.
D000368:Aged; D002675:Child, Preschool; D002908:Chronic Disease; D003680:Deglutition Disorders / Q000150:complications; D005764:Gastroesophageal Reflux / Q000150:complications; D006801:Humans; D007223:Infant; D011015:Pneumonia, Aspiration / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology*; D011877:Radionuclide Imaging; D013183:Sputum / Q000166:cytology; D014138:Tracheoesophageal Fistula / Q000150:complications