Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval improvement in right - sided parenchymal opacities which have essentially resolved . No new focal consolidation is seen . Blunting of the left costophrenic angle is re - demonstrated . No right pleural effusion is seen . There is no pneumothorax . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable and unremarkable .
    OUTPUT:
    
Interval improvement in previously seen right - sided parenchymal opacities which are now essentially resolved . Trace left pleural effusion .