Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are linear bibasilar opacities as on prior suggestive of atelectasis versus scarring . Blunting of the right lateral costophrenic angle is also chronic , potentially due to underlying pleural thickening . The lungs are otherwise clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .