Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . There is again a small eventration of the anterior right hemidiaphragm . The lungs appear clear . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease . No significant change .