title: Superior vena cava obstruction evidenced during a dynamic renal study with Tc-99m diethylenetriaminepentaacetic acid.
mesh_terms: D000368:Aged; D003097:Collateral Circulation; D006801:Humans; D007668:Kidney / Q000000981:diagnostic imaging*; D008297:Male; D004369:Pentetic Acid; D011877:Radionuclide Imaging; D013667:Technetium; D016284:Technetium Tc 99m Pentetate; D014683:Vena Cava, Superior / Q000000981:diagnostic imaging*
chemical_list: D013667:Technetium; D004369:Pentetic Acid; D016284:Technetium Tc 99m Pentetate