Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomegaly is accompanied by vascular engorgement , bilateral perihilar alveolar opacities and peripheral interstitial opacification . Small bilateral pleural effusions are also demonstrated .
    OUTPUT:
    
Moderate to severe pulmonary edema accompanied by small pleural effusions . Follow - up chest radiograph after diuresis would be helpful to document resolution and to exclude other underlying abnormalities .