Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The NG tube course is not fully visualized but the tip is beyond the mid stomach and possibly in the duodenum . Severe cardiomegaly is stable . The mediastinal contours are widened but stable due to a torturous enlarged thoracic aorta . No evidence pulmonary edema or pneumonia . The pleural surfaces are normal .
    OUTPUT:
    
The NG tube is beyond the mid stomach and possibly in the duodenum .