title: ["Hour-glass sign": aspiration originating from a cavity].
mesh_terms: D000328:Adult; D000368:Aged; D004936:Diverticulum, Esophageal / Q000150:complications; D005260:Female; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D008297:Male; D011009:Pneumoconiosis / Q000150:complications; D011015:Pneumonia, Aspiration / Q000000981:diagnostic imaging* / Q000209:etiology; D011859:Radiography; D014397:Tuberculosis, Pulmonary / Q000150:complications
vernacular_title: "Signo del reloj de arena": aspiración a partir de una cavidad.