Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There has overall been no significant interval change . Persistent mild bibasilar opacities likely reflect atelectasis . Cardiomediastinal silhouette is stable . No large effusions or pneumothorax . Imaged bony structures appear intact . Biliary stent noted in the right upper quadrant .
    OUTPUT:
    
No acute findings .