Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . The cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is seen . No acute osseous abnormality is seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .