Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . Left lower lobe atelectasis is noted . There is no evidence of focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits . There are calcifications within the aortic arch . There is a displaced fracture through the midportion of the first right rib .
    OUTPUT:
    
No acute cardiopulmonary process . Mild - moderate emphysema . Displaced fracture of the first right rib , age - indeterminate .