Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are stable meet moderate to severe enlargement of the cardiac silhouette . There are minimal right lower lobe opacities remaining , likely gas atelectasis . There is no pneumothorax or pleural effusion . The osseous structures are unremarkable
    OUTPUT:
    
Minimal opacities in the right lower lobe remain , likely minimal residual atelectasis . Otherwise the lungs are clear