Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An AP upright portable view of the chest was obtained . The cardiac and mediastinal silhouettes are stable with the cardiac silhouette enlarged . There is increase in perihilar opacities bilaterally suggesting pulmonary edema . Superimposed infectious process is not excluded . No large pleural effusion is seen . There is no evidence of pneumothorax .
    OUTPUT:
    
Enlarged cardiac silhouette with bilateral opacities suggesting pulmonary edema . No large pleural effusion is seen .