Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is stable in the postoperative period . Bilateral pleural effusions are again demonstrated with a small right - sided effusion improved from prior exam and a moderate left - sided effusion unchanged . There is also bibasilar atelectasis , which is also improved from the prior study . Sternotomy wires are again seen .
    OUTPUT:
    
Bilateral pleural effusions and adjacent atelectasis .