Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison a chest radiograph from ___ , there is little overall change . There is complete collapse of the left lung with leftward displacement of the mediastinum , unchanged . The right lung is clear . Cardiopulmonary support devices unchanged in standard placements .
    OUTPUT:
    
Ongoing complete collapse of the left lung with unchanged leftward displacement of the mediastinum .