Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to multiple prior exams including CT torso from ___ with most recent x-ray from ___ . When compared to most recent exam , there has been near complete resolution of the right upper lung opacity . There is evidence of scarring at the upper lobes bilaterally with retraction of the hila and some nodular densities , particularly in the left upper lung . These have been seen on multiple prior exams . Minimal blunting of the left posterior costophrenic angle may represent trace effusion . There is no large confluent consolidation . Cardiomediastinal silhouette is stable as are the osseous structures , noting multiple orthopedic screws projecting over the right glenoid .
    OUTPUT:
    
Essentially complete resolution of the right upper lobe opacity seen on prior . Findings suggestive of underlying chronic upper lobe scarring , although superimposed acute infectious process , particularly on the left , is not completely excluded .