Axial computed tomography scan of a patient with suspected sternal wound infection 6 weeks after cardiac bypass surgery. (a) Sternal dehiscence and non-union. (b) Fragments of broken Robicsek cerclages. (c) The sternum shows fractures within itself with torn out cerclages. (d) Substernally, next to the cerclages, sporadic accumulations of air indicating an abscess. (e) Mediastinal abscess with an ascending fistula towards the skin.