Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval improvement in the right basal consolidation . There is minimal residual perihilar opacity . No new areas of consolidation seen . No right - sided pleural effusion , trace left - sided pleural effusion . No pneumothorax . Visualized bony structures are grossly within normal limits .
    OUTPUT:
    
New small left pleural effusion . Interval improvement in the right basal consolidation .