Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright view of the chest demonstrates Dobbhoff tube positioned at the gastroesophageal junction . ET tube terminates 5 .7 cm above the carina , unchanged . The lung volumes are low , which accentuate bronchovascular markings . The hilar and mediastinal silhouettes are unchanged . Intrathoracic aorta is tortuous . Heart size is top normal . There is no pulmonary edema . No pleural effusions or pneumothorax .
    OUTPUT:
    
Dobbhoff tube is positioned at the gastroesophageal junction . Advancement by 10 cm is recommended . Findings discussed with Dr . ___ at 4 p .m . ___ by phone at time of discovery .