Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar opacities are similar compared to ___ . There are small to moderate bilateral pleural effusions . There is no pulmonary edema . Cardiomegaly is unchanged . Central retrocardiac opacity is consistent with history of hiatal hernia .
    OUTPUT:
    
No notable interval change . No pulmonary edema .