Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . A left - sided pacer is noted with leads projecting into the right atrium right ventricle , unchanged . Mild enlargement of the cardiac silhouette is unchanged . Mediastinal and hilar contours are unchanged with atherosclerotic calcifications noted at the aortic knob . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is present . Clips are noted in the right upper quadrant of the abdomen , likely indicative of prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .