title: [The reliability of "extrapleural sign" (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging; D008875:Middle Aged; D013902:Radiography, Thoracic