Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An NG tube extends into the body of the stomach and folds back on itself with the tip pointing cranially . Right - sided subclavian central catheter terminates in the right atrium . Defibrillator devices are in unchanged positions . External lead wires and tubes overlying the patient limit evaluation . Lung volumes are low . There is no new pulmonary opacity . Pulmonary markings accentuated by the low lung volumes .
    OUTPUT:
    
NG tube folds back on itself in the body of the stomach .