Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to ___ chest radiograph , the left lung is still extensively collapsed with very minimal improvement of left lung aeration . Additionally , the near - complete opacification of the left hemithorax and contralateral shift of the mediastinum is consistent with the known large left pleural effusion , which is also mildly improved . The volume of the right lung is borderline - low and there is interval development of a mild diffuse interstitial opacities particularly in the right lung base suggesting interstitial edema . Additionally , a small right pleural effusion is noted . However there is no pneumothorax noted in the right lung . The prominent enlargement of the air - filled esophagus is again seen . The tip of the pleural tube is visualized at the level of the left posterior tenth rib .
    OUTPUT:
    
1 . Very minimal improvement of the large left pleural effusion since ___ . 2 . Interval development mild interstitial edema at the right lung base and a small right pleural effusion . 3 . Persistent dilated thoracic esophagus .