Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Dobbhoff tube is coiled within the esophagus . The heart size is normal . The hilar and mediastinal contours remain within normal limits . A right PICC terminates at the lower SVC . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
NG tube coiled within the esophagus .