Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Streaky bandlike lower lung opacities most compatible with atelectasis . No convincing evidence for pneumonia , edema , effusion or pneumothorax . The cardiomediastinal silhouette appears normal . Bony structures are intact .
    OUTPUT:
    
Lower lung atelectasis . Otherwise unremarkable .