Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are obtained . The patient is status post median sternotomy and CABG . There is minimal left base linear atelectasis / scarring . No focal consolidation , large pleural effusion , or evidence of pneumothorax is seen . Posterior spinal metallic surgical hardware is partially imaged , unchanged in appearance .
    OUTPUT:
    
Minimal left base atelectasis / scarring . Otherwise , no acute cardiopulmonary process .