Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral perihilar and bibasilar opacities are noted concerning for pulmonary edema , underlying infection not excluded . No large pleural effusion is seen . There is no evidence of pneumothorax . The cardiac silhouette is mildly enlarged .
    OUTPUT:
    
Findings worrisome for pulmonary edema , underlying infection not excluded . Enlarged cardiac silhouette .