Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate well - aerated lungs without focal opacity to suggest an infectious process . The cardiomediastinal silhouette is normal . There is no pleural effusion or pneumothorax . No bony abnormality is seen .
    OUTPUT:
    
Normal chest radiograph . A preliminary read was provided by Dr . ___ to Dr . ___ at ___ on ___ .