Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On the previous chest x-ray , that there was a tube overlying the upper airway , terminating at the level of the clavicular heads --___ is no longer seen . On today 's examination , an NG tube is seen extending beneath the diaphragm off the film . A left subclavian PICC line is again noted , with tip overlying the SVC / RA junction . No pneumothorax is detected . There is upper zone redistribution , without overt CHF . No focal infiltrate or left effusion is identified . The right costophrenic angle is excluded from the film .
    OUTPUT:
    
NG tube tip extends beneath the diaphragm , off the film .