Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . The lung volumes are low . Again seen are bilateral interstitial and subpleural reticular opacities predominantly seen in the lung bases , consistent with usual interstitial pneumonia , may have slightly progressed since the earlier study of ___ . Known small upper lobe pulmonary nodules are not visualized in this chest radiograph . No new masses , consolidation , pleural effusion or pneumothorax is seen . Multiple intact sternotomy wires and mediastinal surgical clips relate to prior CABG .
    OUTPUT:
    
1 . Known interstitial lung disease , likely UIP . 2 . No new metastatic disease . Known small pulmonary nodules are not seen in this study . A CT chest can be performed to assess progression of both ILD and pulmonary nodules .