Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are streaky bibasilar opacities , left greater than right . Previously noted left pleural effusion has resolved . Superiorly , the lungs are clear . The cardiomediastinal silhouette is stable . No acute osseous abnormalities .
    OUTPUT:
    
No pleural effusion . Bibasilar opacities which may be due to atelectasis however infection is entirely possible .