Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Cardiac silhouette size remains top normal . Mediastinal and hilar contours are similar . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is present . Partially imaged is spinal fusion hardware within the thoracolumbar spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .