Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: NG tube and ET tube have been removed . There is a minimal improvement of lung opacification mainly for reduction of the bilateral pleural effusion more evident on the left base . Persistent atelectasis of right lower , right middle and left lower lobes . There is no pneumothorax . Cardiomediastinal silhouette is unchanged and still mildly enlarged ; moderate aortosclerosis .
    OUTPUT:
    
All the monitoring devices have been removed . The bibasilar atelectasis with pleural effusion is minimally improved , mainly for reduced pleural effusion especially on the left base . Persistent bibasilar atelectasis with large atelectasis of the right middle lobe .