Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate interval resolution of the right - sided pleural effusion with residual small left pleural effusion . No pneumothorax is detected . The lungs are otherwise clear . The cardiac , mediastinal and hilar contours are normal . No displaced rib fractures are noted . No pneumothorax is identified .
    OUTPUT:
    
Interval improvement in lung volumes with resolution of right - sided pleural effusion and persistent small left pleural effusion .