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 and CABG . There is stable mild left base atelectasis / scarring and right middle lobe scarring . No pleural effusion is seen . There is no pneumothorax . No focal consolidation is seen . Cardiac and mediastinal silhouettes are stable . Mild degenerative changes are seen along the spine .
    OUTPUT:
    
No acute cardiopulmonary process .