Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild bibasilar opacities are seen in this patient with previous diagnosis of NSIP . Subtle patchy lingular opacity raises concern for pneumonia versus atelectasis . Right - sided chain sutures are noted . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Mild bibasilar opacities may relate to chronic interstitial lung disease . Patchy lingular opacity raises concern for atelectasis , pneumonia , or interstitial lung disease exacerbation .