Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrates stable severe cardiomegaly . Evaluation of the lungs is limited by poor inspiratory effort . Within this limitation , there is bronchial cuffing and perihilar opacifications , most consistent with pulmonary edema . Bibasilar opacifications likely reflect a combination of edema and atelectasis , though superimposed infection is not excluded .
    OUTPUT:
    
Stable severe cardiomegaly . Pulmonary edema . Bibasilar opacifications , likely atelectasis and edema though infection not excluded .