Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are stable . The band - like area of atelectasis at the right lateral lung base is improved ; however , there are worsening opacities in the bilateral retrocardiac areas . There is also blunting of the bilateral costophrenic sulci . The lungs are otherwise clear . There is no pneumothorax .
    OUTPUT:
    
1 . Small bilateral pleural effusions . 2 . Worsening bilateral retrocardiac opacities likely representing atelectasis .