Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two serial portable AP upright images of the chest ___ at 09 :58 are submitted .
    OUTPUT:
    
The feeding tube on both of the images has its tip in the distal esophagus near the GE junction . Repositioning is recommended ; housestaff aware . The heart remains stably enlarged . The patient 's mandible obscures the apices . No pulmonary edema or focal airspace consolidation . No large effusions . No obvious pneumothorax . Interval improvement in aeration at the left base . Degenerative change of both glenohumeral joints incompletely visualized .