Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Cardiomediastinal silhouette and hilar contours are normal . Lungs are clear . Pleural surfaces are clear without effusion or pneumothorax . There is no overt traumatic bony abnormality .
    OUTPUT:
    
Normal chest radiograph . No evidence of pneumonia or overt traumatic bony abnormality . If there is high suspicion and focality to physical examination , a dedicated rib series may be more sensitive for the detection of subtle rib fracture .