A Lateral Chest Projection Demonstrates the Posterior Ribs Separated by 2.5

Multiple Choice

A lateral chest projection demonstrates the posterior ribs separated by 2.5 inches (6.35 cm) . The superior heart shadow does not extend into the anteriorly situated lung. How should the patient be repositioned to obtain an optimal image?

A) Rotate the left side of the chest 1.25 inches (3 cm) anteriorly.
B) Rotate the right side of the chest 1 inch (2.5 cm) anteriorly.
C) Rotate the right side of the chest 1 inch (2.5 cm) posteriorly.
D) This is an acceptable separation, so no movement is needed.