Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , unchanged . Bilateral lower lobe mild streaky opacities likely reflect atelectasis . No focal consolidation , edema , or pneumothorax . The heart is normal in size . The mediastinum is not widened . Multiple bilateral rib fracture deformities are similar to at least ___ .
    OUTPUT:
    
No acute cardiopulmonary process .