Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is at the upper limits of normal . The mediastinal contours are not widened . The lungs continue to demonstrate mild vascular congestion and bibasilar opacities . There is no large pleural effusion or pneumothorax . Examination of the ribs shows no displaced fracture .
    OUTPUT:
    
Bibasilar opacities may represent edema versus aspiration ; repeat imaging after diuresis may be considered .