title: Detection of a pedunculated right atrial tumor by radionuclide imaging.
mesh_terms: D006325:Heart Atria / Q000000981:diagnostic imaging*; D006338:Heart Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging; D013670:Sodium Pertechnetate Tc 99m; D013667:Technetium
chemical_list: D013667:Technetium; D013670:Sodium Pertechnetate Tc 99m