Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable chest radiograph demonstrates an endotracheal tube which is 3 .8 cm from the level of the carina . Prior right upper lobe atelectasis now nearly resolved . A small right subpulmonic pleural effusion persists and is unchanged . The left lung is grossly clear . There are no new focal consolidations . There is no pneumothorax . The cardiomediastinal and hilar contours are stable .
    OUTPUT:
    
Improving right upper lobe atelectasis .