Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral images of the chest . The lungs are well expanded . Increased interstitial markings are seen , which could reflect chronic interstital disease or mild pulmonary edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is mildly enlarged .
    OUTPUT:
    
1 . Increased interstitial markings , which could reflect chronic interstital disease or mild pulmonary edema . 2 . Mild cardiomegaly .