McCormick T L, Kuhns L R, Perry B L
Radiology. 1976 Jan;118(1):141-3. doi: 10.1148/118.1.141.
The incidence of radiographic changes in the chest following a sternal split for cardiac surgery is examined. These changes include: (a) an indiscinct sternal cortex; (b) elevation of the cardiac silhoutte above the diaphragm; and (c) uneven heights of the medial clavicular ends.
