Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy , with interval fracture of the superior sternal wire . A three - lead , left pectoral pacemaker is unchanged in position . Multiple surgical clips are seen throughout the mediastinum . The lungs demonstrate mild bibasilar atelectasis , without focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . Severe cardiomegaly is unchanged from the prior examination .
    OUTPUT:
    
Severe cardiomegaly , similar in appearance to the prior examination . No evidence for acute cardiopulmonary process .