Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy . A pacemaker is in place with leads terminating in appropriate location . Mild prominence of vasculature is consistent with vascular congestion . There is no pleural effusion or pneumothorax . No focal opacities concerning for an infectious process . Cardiomediastinal silhouette is enlarged .
    OUTPUT:
    
1 . Moderate cardiomegaly . 2 . Vascular engorgement / early pulmonary edema .