title: Dilatation of azygos vein simulating mediastinal tumour.
mesh_terms: D001401:Azygos Vein / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D004108:Dilatation, Pathologic / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging*; D008875:Middle Aged; D011187:Posture; D011859:Radiography