Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates mild pulmonary vascular congestion with engorgement of pulmonary vascularity and indistinct hila . No focal consolidation , pleural effusion , or pneumothorax . Mild retrocardiac atelectasis appears new over the interval . The cardiomediastinal and hilar contours are unchanged . The patient is status post median sternotomy , CABG , and aortic valve replacement . A left - sided AICD / pacemaker device is noted and leads terminate in the right atrium and right ventricle , unchanged .
    OUTPUT:
    
Mild pulmonary edema .