Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hazy perihilar and bibasilar increased interstitial markings are noted . There is no confluent consolidation . Minimal blunting of the posterior costophrenic angles could represent trace effusions . Cardiac silhouette is top - normal in size . Median sternotomy wires are intact . No acute osseous abnormalities .
    OUTPUT:
    
Perihilar and bibasilar hazy opacity suggestive of mild edema . Alternatively , atypical infection would be possible .