title: [The upper triangle sign in atelectasis of the middle lobe and lower right lobe].
mesh_terms: D005260:Female; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D008297:Male; D008482:Mediastinum / Q000000981:diagnostic imaging; D001261:Pulmonary Atelectasis / Q000000981:diagnostic imaging* / Q000473:pathology; D011859:Radiography
vernacular_title: El signo del triángulo superior en la antelectasia del lóbulo medio y lóbulo inferior derecho.