Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Again seen is elevation of the right hemidiaphragm with persistent right basilar opacities suggestive of atelectasis with possible trace effusion . The lungs are otherwise grossly clear . Faint opacities compatible with old healed rib fractures seen overlying the posterior right fourth , fifth and seventh ribs as well as the left anterior third ribs . There is no overt pulmonary edema . Cardiomegaly is unchanged from prior . Median sternotomy wires and aortic valve replacement again noted . Right subclavian vascular stent is also seen .
    OUTPUT:
    
No definite acute cardiopulmonary process . Persistent elevation of the right hemidiaphragm and right basilar opacity due to likely atelectasis and possible trace effusion , similar when compared to priors .