Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and hilar contours are normal . Diffuse reticular opacities with a basal and peripheral predominance are unchanged compared to ___ , compatible with known history of interstitial lung disease . There are no focal consolidations worrisome for infection . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Scattered reticular densities compatible with known history of interstitial lung disease without evidence of pneumonia .