Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated but clear . Biapical scarring is unchanged . The cardiomediastinal silhouette and hilar contours are normal . There is no pleural effusion or pneumothorax . A left chest Port - A - Cath terminates at the proximal right atrium , as before . There is no free air under the diaphragm . Surgical clips project over the right upper quadrant .
    OUTPUT:
    
No free air under the diaphragm . Clear lungs .