Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Nearly total opacification of the left lung field is re-demonstrated , compatible with a large left - sided pleural effusion . There are new diffuse interstitial opacities , with indistinctness of the right hilum suggesting pulmonary edema . No pneumothorax is identified .
    OUTPUT:
    
No significant change in size of left - sided pleural effusion . Acute pulmonary edema .