Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a nasogastric tube with the tip not visualized beyond the upper esophagus on the frontal view . While the lateral view demonstrates a catheter which courses in the expected region of the esophagus and into the upper abdomen , this can not be confirmed on the frontal view . The heart size is mildly enlarged . Mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is detected . Streaky atelectasis is noted in the lung bases . Compression fracture of a vertebral body at the thoracolumbar junction is noted , of indeterminate age . No subdiaphragmatic free air is present .
    OUTPUT:
    
Nasogastric tube tip can only be traced to the proximal esophagus on the frontal view . Recommend advancement .