Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette appears mildly enlarged . Bibasilar opacities could reflect atelectasis , aspiration or infection . No pleural effusion or pneumothorax . Mild pulmonary edema .
    OUTPUT:
    
1 . Bibasilar opacities may reflect atelectasis , infection or aspiration . 2 . Mild cardiomegaly and pulmonary edema .