Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided pigtail catheter is unchanged in position . Small right apical pneumothorax is unchanged in size . There is a right - sided pleural effusion with a volume loss in the right lower lobe , and also probably the right middle lobe . Heart and mediastinum are also unchanged . Bibasilar consolidations are similar in appearance .
    OUTPUT:
    
1 . Small unchanged right apical pneumothorax , without mediastinal shift . 2 . Right - sided pleural effusion and volume loss in the right lower lobe , and possibly the right middle lobe . Superimposed pneumonia is not excluded in the correct clinical setting .