Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a moderate left pleural effusion . , this appears increased compared to the prior study however there was likely layering of the pleural effusion on the prior study as the patient was semi-erect . Left lower lobe atelectasis versus consolidation . The right internal jugular catheter is been removed . Median sternotomy and coronary artery bypass graft sutures are unchanged in appearance . The cardiomediastinal contour is unchanged . Suture material is seen in the left hemi thorax . No pneumothorax seen .
    OUTPUT:
    
Apparent increase in the left - sided pleural effusion may in fact be due to layering of the effusion on the prior study . Left lower lobe atelectasis versus consolidation .