Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . A left - sided AICD / pacemaker device is noted with leads in unchanged positions . Cardiac silhouette size is unchanged , appearing borderline enlarged . Mediastinal and hilar contours are stable . Pulmonary vasculature is not engorged . There is minimal atelectasis at the lung bases , but the lungs are otherwise clear without focal consolidation . No pleural effusion or pneumothorax is demonstrated . Remote right - sided rib fractures are present . An electronic device also projects over the lower chest , just to the left of midline .
    OUTPUT:
    
No acute cardiopulmonary abnormality .