Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . No prior . The lungs are clear . There is no pleural effusion or pneumothorax . Cardiomediastinal silhouette is unremarkable without evidence of pneumomediastinum . Osseous and soft tissue structures are unremarkable without radio opaque foreign body .
    OUTPUT:
    
Unremarkable chest x-ray .