Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear opacities at the lung bases are likely due to atelectasis . The lungs are otherwise clear without consolidation worrisome for pneumonia . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Bibasilar atelectasis , no findings worrisome for pneumonia .