Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph ___ at 15 :00 is submitted .
    OUTPUT:
    
Interval placement of a feeding tube which has its tip projecting over the stomach . Lungs remain grossly clear without evidence of focal airspace consolidation , pleural effusions , pneumothorax or pulmonary edema . Slightly elevated left hemidiaphragm of uncertain significance . Overall cardiac and mediastinal contours are stable . Several mediastinal clips are again seen .