Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . No prior . Linear opacities are identified at the lung bases , most suggestive of atelectasis . Superiorly , the lungs are clear . The cardiomediastinal silhouette is normal . Lower cervical and upper thoracic anterior spinal fixation hardware is identified . Soft tissues and osseous structures are otherwise unremarkable .
    OUTPUT:
    
Bibasilar linear opacities , most suggestive of atelectasis ; however , infection is not completely excluded , particularly at the left lung base . Clinical correlation suggested .