Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate focal opacity in the both lower lobes compatible with atelectasis or early pneumonia . There is biapical scarring . There may be a tiny right pleural effusion . The cardiomediastinal silhouette is normal . A tortuous aorta is noted . Cholecystectomy clips are noted . Multiple old bilateral rib fractures are noted , and a mild to moderate compression deformity of an upper lumbar vertebral body is age - indeterminate .
    OUTPUT:
    
Bilateral lower lobe opacities represent atelectasis or early pneumonia .