Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a right mainstem bronchus intubation with collapse of the right upper and left lower lobe . The nasoenteric tube tip ends in the stomach . There are low lung volumes . There is no pneumothorax .
    OUTPUT:
    
Right mainstem bronchus intubation with collapse of the right upper and left lower lobe .