Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal upright and lateral chest radiographs demonstrate well - expanded lungs . Cardiomediastinal contour is normal . Lungs are clear . There is no pleural effusion . No evidence of free air below the right hemidiaphragm , pneumomediastinum or pneumothorax . No radiopaque foreign bodies identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality and no radiopaque foreign body .