Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear bilaterally , without evidence of pneumonia , pleural effusions or pneumothorax . There is no pulmonary edema . Cardiomediastinal silhouette is within normal limits . Right mid-clavicular fracture unchanged since ___ .
    OUTPUT:
    
No radiographic evidence of pulmonary edema or pneumonia .