Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . Prominent interstitial markings are seen in the lungs with linear right mid lung opacity suggestive of scarring . Overall findings may be due to chronic lung disease . The lungs are clear of consolidation worrisome for pneumonia . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is enlarged but otherwise unremarkable . Median sternotomy wires are noted .
    OUTPUT:
    
Prominent interstitial markings in the lungs with more focal linear right mid lung , opacity which may all be chronic . Cardiomegaly .