Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An NG tube terminates in the distal esophagus with coiling of the proximal element in the hypopharynx . There is otherwise no significant interval change compared to study from two hours prior with persistent low lung volumes and atelectasis . Swan - Ganz catheter and endotracheal tube remain correctly positioned .
    OUTPUT:
    
NG tube terminating in the distal esophagus and coiling in the hypopharynx . Otherwise , no significant interval change from two hours prior .