Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the right PICC line projects over the cavoatrial junction . There are persisting biapical opacities with air bronchograms , greater on the right . No large pleural effusion or pneumothorax identified . The size of the cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Persisting biapical opacities with air bronchograms , greater on the right .