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 . Lungs remain hyperinflated , suggesting chronic obstructive pulmonary disease . The cardiac and mediastinal silhouettes are stable . Minimal basilar atelectasis is seen . No focal consolidation , pleural effusion or evidence of pneumothorax . Degenerative changes are seen along the spine .
    OUTPUT:
    
COPD with minimal left basilar atelectasis / scarring . No acute cardiopulmonary process .