Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post coronary artery bypass graft surgery . A dual - lead pacemaker / ICD device appears unchanged , again with leads terminating in the right atrium and ventricle , respectively . The heart is moderately enlarged . The mediastinal and hilar contours appear unchanged . There is similar blunting of each costophrenic sulcus suggesting scarring or trace pleural effusions . Right lateral pleural thickening appears unchanged . Otherwise , there is marked improvement in a right basilar opacity since the prior examination . There is no pneumothorax .
    OUTPUT:
    
No evidence of acute disease .