Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new endotracheal tube ends at the right mainstem bronchus . A nasogastric tube terminates off of the radiograph . The right lung is clear . Near complete opacification of the left lung represents a combination of atelectasis and a small amount of pleural fluid . No pneumothorax is identified . There is no free air beneath the right hemidiaphragm . Assessment of the cardiac and mediastinal borders is limited due to the partial left lung collapse .
    OUTPUT:
    
1 . The endotracheal tube ends at the right mainstem bronchus . Retraction of the endotracheal tube is recommended . 2 . Near complete opacification of the left lung likely represent atelectasis and a small pleural effusion .