title: Benign vascular shadows in chest X-rays.
mesh_terms: D000328:Adult; D000368:Aged; D000783:Aneurysm / Q000000981:diagnostic imaging*; D000792:Angiography; D001013:Aorta, Thoracic / Q000000981:diagnostic imaging; D003287:Contrast Media; D003937:Diagnosis, Differential; D006801:Humans
chemical_list: D003287:Contrast Media