Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear despite low lung volumes . The cardiomediastinal silhouette is within normal limits . The cardiomediastinal silhouette is within normal limits . Mid left clavicular fracture is as seen on dedicated clavicle films .
    OUTPUT:
    
No acute cardiopulmonary process . Mid left clavicular fracture .