Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . The lung volumes are low . There are small suspected bilateral pleural effusions , possibly increased , particularly on the right . Persistent perihilar opacities are more prominent on the left than right , similar to prior findings , but have continued to improve substantially . Streaky right posterior basilar opacities may be due to atelectasis associated with a subpulmonic effusion .
    OUTPUT:
    
Continued improvement in pulmonary opacities . Small pleural effusions .