Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The heart is normal in size . Mediastinal contour is normal . No hilar abnormality . Lungs are clear . No pleural effusion or pneumothorax . Bony structures intact .
    OUTPUT:
    
No acute findings in the chest . Specifically , normal mediastinal contour .