Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Since prior , there has been marked interval improvement in the appearance of the lungs which are now essentially clear noting trace bilateral effusions . Cardiomediastinal silhouette is stable noting atherosclerotic calcifications at the aortic arch . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Marked interval improvement in the appearance of the lungs . Trace effusions without evidence of consolidation .