Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs : Moderate bilateral pleural effusions and bibasilar linear opacities have increased slightly since the ___ chest radiograph . There is no pneumothorax . The cardiac and mediastinal contours are unchanged .
    OUTPUT:
    
Slightly increased moderate bilateral pleural effusions and adjacent atelectasis since the ___ radiograph .