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 and mediastinal silhouettes are stable . Hilar contours are stable , including prominence of the left pulmonary artery . Patient is status post median sternotomy . Left - sided pacer device is stable in appearance . There is no pulmonary edema .
    OUTPUT:
    
No acute cardiopulmonary process . No significant interval change .