Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Again seen is elevation of the left hemidiaphragm . Bibasilar linear opacities are most suggestive of atelectasis or scarring although a superimposed infection can not be completely excluded . There is no effusion or pneumothorax . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities detected .
    OUTPUT:
    
Bibasilar opacities with a configuration most suggestive of atelectasis noting that infection can not be completely excluded .