Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal to mildly enlarged . No pulmonary edema is seen .
    OUTPUT:
    
Top - normal to mildly enlarged cardiac silhouette . Otherwise , no acute cardiopulmonary process .