title: Application of silhouette sign on lateral chest radiograms.
authors.forename: C M
authors.initials: CM
authors.lastname: Tsai
authors.forename: R P
authors.initials: RP
authors.lastname: Perng
mesh_terms: D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D010994:Pleura / Q000000981:diagnostic imaging; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D013902:Radiography, Thoracic; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging