Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Coronary artery stenting / calcification is seen . The cardiac silhouette is top - normal to mildly enlarged . No focal consolidation is seen . There is perihilar , peribronchial wall thickening which can be seen in small airways disease . No pleural effusion or pneumothorax is seen . Degenerative changes are seen along the spine .
    OUTPUT:
    
No focal consolidation to suggest pneumonia . Perihilar peribronchial wall thickening .