Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph dated ___ , there is improved right upper lobe atelectasis with no residual pneumomediastinum . A small right subpulmonic pleural effusion persists and is unchanged . The left lung is grossly clear . No new focal consolidation . No pneumothorax . An ET tube is seen in appropriate position . The cardiomediastinal and hilar contours are stable .
    OUTPUT:
    
Decreased right upper lobe atelectasis and improved lung volumes .