Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Lung volumes are decreased . There is mild cardiomegaly with central pulmonary vascular congestion , and mild interstitial edema . Small right and moderate left pleural effusions are noted . Bibasilar and perihilar airspace opacities have increased from the prior examination .
    OUTPUT:
    
1 . Low lung volumes , mild cardiomegaly , and moderate pulmonary edema . 2 . Small right and moderate left pleural effusions with adjacent atelectasis .