Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette is mildly enlarged . Mediastinal contours unremarkable . The patient is status post median sternotomy . Prominence of the hilar vasculature is stable compared to ___ . No pulmonary edema is seen .
    OUTPUT:
    
No acute cardiopulmonary process .