Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and cardiac valve replacement . Dual lead right - sided pacer device is stable in position . The cardiac and mediastinal silhouettes are grossly stable with the cardiac silhouette mildly enlarged . No focal consolidation is seen . There is no pleural effusion or pneumothorax . No pulmonary edema is seen .
    OUTPUT:
    
No acute cardiopulmonary process .