Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are clear of focal consolidation , effusion or pneumothorax . There are linear lucencies projecting over the mediastinum , neck and right chest wall . Cardiomediastinal silhouette is otherwise unremarkable . No acute osseous abnormalities detected .
    OUTPUT:
    
Pneumomediastinum with subcutaneous gas in the right chest wall and neck as wall .