Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a normal cardiomediastinal silhouette . Increased interstitial markings are similar compared to ___ , and again suggest chronic interstitial lung disease , incompletely evaluated on this exam . There is no focal consolidation . No pleural effusion or pneumothorax is seen . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Redemonstration of increased interstitial markings suggestive of chronic underlying interstitial lung disease . Correlation with chest CT is recommended