A less than optimal lateral sternum projection that does not demonstrate the sternum in profile and visualizes the superior heart shadow extending anterior to the sternum
a. resulted because the central ray was centered too posteriorly.
b. resulted because of poor costal breathing technique.
c. could be improved by rotating the right thorax anteriorly.
d. also would demonstrate the left thorax rotated posteriorly.
C
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Fill in the blank(s) with the appropriate word(s).
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