Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is rotated somewhat to the left . Bilateral perihilar opacities are most likely due to mild to moderate pulmonary edema , underlying infectious process is not excluded in the appropriate clinical setting . There are trace bilateral pleural effusions . No pneumothorax is seen . Cardiac silhouette is mildly enlarged . Mediastinal contours are similar to the prior study .
    OUTPUT:
    
Bilateral perihilar opacities most likely due to mild to moderate pulmonary edema , underlying infectious process not excluded in the appropriate clinical setting . Trace bilateral pleural effusions .