Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mildly enlarged . The aorta demonstrates diffuse atherosclerotic calcifications . The mediastinal contours are unchanged . There is continued mild pulmonary edema , slightly improved in the interval with perihilar haziness and vascular indistinctness . Small bilateral pleural effusions are not substantially changed in the interval . No pneumothorax is identified . No acute osseous abnormalities are visualized .
    OUTPUT:
    
Mild improvement in mild pulmonary edema with small bilateral pleural effusions .