Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Cardiac silhouette is top - normal in size . Mediastinal contours are unremarkable . There is mild bibasilar atelectasis , subtle consolidation not excluded in the appropriate clinical setting . Multiple right - sided rib deformities , including of the right lateral ___ through ninth ribs are likely old , suggesting prior rib fractures , with overlying possible mild pleural thickening .
    OUTPUT:
    
Mild left basilar opacity , focal consolidation not excluded in the appropriate clinical setting .