Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ , ___ , and chest CT from ___ . Region of consolidation with some spiculation seen in the right suprahilar region which has not definitely changed since ___ and may be due to scarring . There are other subtle opacities in the lungs identified in the left mid - to - lower lung , in the right mid lung , could represent superimposed infection . Elsewhere , the lungs are grossly clear . Cardiomediastinal silhouette is within normal limits . Atherosclerotic calcification is again noted in the aorta . Chronic changes seen at the left humeral head .
    OUTPUT:
    
Probable scarring seen in the right upper lung . More subtle regions of opacity in the lungs bilaterally could represent a superimposed infectious process .