Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild diffuse interstitial prominence . No discrete focal consolidation , pleural effusion , or pneumothorax is detected . Heart and mediastinal contours are within normal limits .
    OUTPUT:
    
Mild interstitial prominence , which could be secondary to a viral or atypical infection . Findings reported to ___ by ___ by telephone at 14 :42 on ___ at the time of initial review of the study .