Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy . The lungs are grossly clear without evidence of focal consolidation . There is no pneumothorax or pulmonary edema . The cardiomediastinal silhouette is mildly enlarged , but unchanged .
    OUTPUT:
    
No evidence of focal consolidation , pneumothorax , or pulmonary edema .