title: [Thoracic CT: the normal mediastinal CT image and its variations].
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D008477:Mediastinal Diseases / Q000000981:diagnostic imaging*; D008482:Mediastinum / Q000033:anatomy & histology / Q000098:blood supply / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed