Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Midline sternotomy wires and mediastinal clips are noted . Overlying EKG leads are present . The lungs appear somewhat hyperinflated without focal consolidation concerning for pneumonia . No large effusion or pneumothorax is seen . Coarsened interstitial markings suggest underlying chronic lung disease , similar to prior imaging studies . No definite signs of hilar congestion . Heart size is top - normal . Mediastinal contour is normal . Bony structures appear intact .
    OUTPUT:
    
Top normal heart size , coarsened interstitial markings as on prior , likely due to chronic lung disease .