Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright AP and lateral views of the chest provided . In this patient with known interstitial lung disease , there has been little change in overall pattern of interstitial opacity . No definite superimposed pneumonia , edema . No large effusion or pneumothorax is seen . Midline sternotomy wires and mediastinal clips are again seen with unchanged cardiomediastinal silhouette . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Grossly stable appearance of the chest with chronic changes compatible with interstitial lung disease .