Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and hilar contours are normal . Patient is status post CABG and atherosclerotic calcifications of the bypass graft vessels are present . Median sternotomy wires are well aligned and intact . Lungs are clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of sarcoid or infection . Atherosclerotic disease within the coronary artery bypass graft vessels .