Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are again seen on the current exam . Increased opacity at the lung bases particularly on the lateral may be secondary to atelectasis given lower lung volumes , the frontal view is relatively clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Limited exam . Bibasilar opacities particularly on the lateral view could represent atelectasis in the setting of low lung volumes although infection is not excluded .