Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal with unremarkable cardiomediastinal silhouette and hilar contour . Lungs are clear without focal consolidation , effusion or pneumothorax . No bony abnormality is identified .
    OUTPUT:
    
Normal chest radiograph . No subdiaphragmatic free air , pleural effusion or bone abnormality . If focal findings persist , consideration should be given to detailed radiographic views with the area of pain marked .