Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low . A left - sided chest tube has been removed . There is a small lateral pneumothorax associated with residual pleural thickening . A left anterior air - fluid level and retrocardiac lucency are new small pleural air and fluid loculations . There is linear atelectasis in the superior right lower lobe and behind the heart . There is persistent thickening of the left major fissure .
    OUTPUT:
    
1 . Small lateral pneumothorax status post left chest tube removal . 2 . New air - fluid loculations in the left hemi-thorax warrant close follow - up to exclude progressive re-accumulation . Discussed with Dr ___ ___ phone at 13 :00 on ___ .