Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube , bronchial stent , and right chest tube are unchanged . The right hemithorax is completely opacified with air bronchogram likely due to atelectasis . The left lung is well expanded and unchanged . The small left lower lobe atelectasis and pleural effusion are stable . No pneumothorax . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Complete opacification of the right lung likely due to atelectasis .