Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is bilateral interstitial edema and pulmonary vascular congestion . The heart is moderately enlarged . Small right and moderate left pleural effusions are seen . Retrocardiac opacity may represent pneumonia in the appropriate clinical setting .
    OUTPUT:
    
Moderate pulmonary edema , moderate cardiomegaly , and bilateral pleural effusions , small on the right and moderate on the left . Superimposed pneumonia can not be excluded .