Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated but clear of consolidation . Blunting of the left costophrenic angle suggests small effusion . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications noted at the aortic arch . Degenerative changes are noted in the spine .
    OUTPUT:
    
Hyperinflation without focal consolidation . Probable small left pleural effusion .