Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are hyperinflated . There is blunting of the posterior costophrenic angle which had been in the region of prior ground - glass opacities , potentially representing infarction . There is no new region of consolidation . The cardiac silhouette is moderately enlarged . Atherosclerotic calcifications noted at the aortic arch . No acute osseous abnormality is identified .
    OUTPUT:
    
Hyperinflation with opacities with posterior costophrenic angle , potentially related to prior suspected infarct from recent CTA . Cardiomegaly . No superimposed acute cardiopulmonary process .