Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . The lungs are clear bilaterally without focal consolidation , effusion , or pneumothorax . There is subcutaneous gas in the supraclavicular region as well as at the base of neck and subtle signs of pneumomediastinum as better assessed on prior CT neck . Cardiomediastinal silhouette is otherwise unremarkable . Bony structures appear intact .
    OUTPUT:
    
Pneumomediastinum with subcutaneous gas in the supraclavicular region . Please correlate with findings on CTA neck . No sign of pneumothorax .