Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post coronary artery bypass graft surgery . There is a dual - lead pacemaker / ICD device that appears unchanged with leads terminating in the right atrium and ventricle , respectively . The heart is again moderately enlarged . The mediastinal and hilar contours appear unchanged . There is a similar appearance of upper zone redistribution of pulmonary vascularity suggesting pulmonary venous hypertension . Otherwise , the lungs appear clear . Streaky left posterior basilar opacities on the lateral view appear unchanged suggesting atelectasis associated with cardiomegaly . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
Stable appearance of the chest .