Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The lungs are mildly hyperinflated with flattening of the hemidiaphragms , suggesting COPD . The cardiomediastinal silhouette is normal . The patient is status post midline sternotomy with intact sternal wires . Multiple clips are seen within the mediastinum . Anterior osteophytes in the upper thoracic spine are consistent with possible diffuse idiopathic skeletal hypertrophy ( DISH ) .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Mild COPD .