Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large right pleural effusion with associated compressive atelectasis at the right lung base ; the effusion has substantially increased . A small left pleural effusion is also present . There is minimal left basilar atelectasis . Heart size is top normal . The mediastinal contours are normal . The patient is status post midline sternotomy and CABG . There is no pneumothorax . A catheter overlies the right upper quadrant of the abdomen .
    OUTPUT:
    
1 . Large right and small left pleural effusions . 2 . Moderate right and mild left opacities , which are not specific but could be seen with associated compressive basilar atelectasis .