Pulmonary air-fluid image.
D000368:Aged; D014355:Chagas Disease / Q000150:complications* / Q000175:diagnosis; D004931:Esophageal Achalasia / Q000000981:diagnostic imaging* / Q000209:etiology; D005260:Female; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D011859:Radiography