Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild to moderate pulmonary edema . Diffuse hazy opacities at the lung bases bilaterally could reflect atelectasis . Evaluation of the cardiac silhouette is somewhat limited due to overlying opacities . However , there is probable mild cardiomegaly . No pneumothorax or focal consolidation identified .
    OUTPUT:
    
Findings suggestive of heart failure which could be secondary to volume overload , among other causes .