Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Diffuse reticular opacity which is new from prior exam and could reflect interstitial edema or less likely an atypical infection . No large pleural effusion or pneumothorax is seen . Heart size and mediastinal contour appear unchanged . Bony structures are intact .
    OUTPUT:
    
Diffuse reticular opacities could represent mild interstitial edema versus atypical infection . Please correlate clinically .