Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is diffusely increased interstitial opacities suggestive of moderate interstitial pulmonary edema . Cardiomediastinal silhouette is moderately enlarged . There is small confluence of opacity in the left mid lung which is probably atelectasis . There is no pneumothorax or large pleural effusion .
    OUTPUT:
    
Moderate pulmonary edema . Superimposed infection is difficult to exclude . Repeat after treatment suggested .