Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . Again visualized are diffuse interstitial reticular markings , stable since study from ___ . The cardiomediastinal silhouette , and hilar contours are unchanged . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Stable diffuse reticular interstitial lung markings consistent with chronic interstitial lung disease . No definitive consolidation is appreciated . However , given the severity of baseline disease , it is impossible to exclude a developing pneumonia .