Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 09 :09 is submitted .
    OUTPUT:
    
Left Port - A - Cath is unchanged in position . Interval placement of a nasogastric tube which courses below the diaphragm with the tip not identified on the current study . Worsening bilateral airspace disease more likely representing moderate pulmonary edema , although pneumonia can not be excluded . Followup imaging after diuresis may be helpful . Cardiac and mediastinal contours are likely unchanged given differences in patient rotation . No obvious pneumothorax .