title: Aneurysmal dilatation of the superior vena cava.
mesh_terms: D000368:Aged; D000783:Aneurysm / Q000175:diagnosis* / Q000000981:diagnostic imaging; D000790:Angiocardiography; D004106:Dilatation; D006801:Humans; D008297:Male; D008477:Mediastinal Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging; D011877:Radionuclide Imaging; D013667:Technetium; D014683:Vena Cava, Superior
chemical_list: D013667:Technetium