Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Left - sided AICD / pacemaker device is again noted with leads in unchanged positions . Heart remains moderately enlarged . Mediastinal and hilar contours are unchanged and within normal limits . There is similar upper zone vascular redistribution compatible with mild pulmonary vascular congestion without overt pulmonary edema . Minimal atelectasis is seen in the retrocardiac region . No focal consolidation , pleural effusion or pneumothorax is identified .
    OUTPUT:
    
Mild pulmonary vascular congestion which appears chronic . No overt pulmonary edema .