Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is moderately enlarged , unchanged . There is moderate pulmonary edema . There is retrocardiac opacity which could be secondary to atelectasis , but a developing infection can not be excluded . Small bilateral pleural effusions are noted . No pneumothorax .
    OUTPUT:
    
Cardiomegaly with moderate pulmonary edema and small bilateral pleural effusions . Retrocardiac opacity could be consistent with atelectasis or pneumonia in the correct clinical setting .