Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The patient is status post median sternotomy . Multiple mediastinal clips are seen . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
No acute cardiopulmonary process . Mediastinal lymph nodes are better assessed on recent prior CT .