The seat belt sign.
D000368:Aged; D004164:Diphosphonates; D006801:Humans; D008297:Male; D011877:Radionuclide Imaging; D012253:Rib Fractures / Q000000981:diagnostic imaging* / Q000209:etiology; D012622:Seat Belts / Q000009:adverse effects*; D013667:Technetium; D013669:Technetium Tc 99m Medronate
D004164:Diphosphonates; D013667:Technetium; D013669:Technetium Tc 99m Medronate