Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has been extubated . The chest tube appears unchanged in comparison to the prior chest radiograph . There is a persistent large right pneumothorax , now with complete collapse of the remaining right lung , patient status post right upper lobe resection , likely due to mucous plugging as the right main stem bronchus is not visualized . There is shift of the mediastinal structures and heart towards the right . A small amount of subcutaneous air has developed in the interim . The left lung appears clear . No pleural effusion is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Complete collapse of remaining right lung with mediastinal shift , likely due to mucous plugging . 2 . Persistent large right pneumothorax . 3 . Unchanged orientation of right chest tube .