Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 08 : 28 is submitted .
    OUTPUT:
    
Interval placement of a nasogastric tube which has its tip projecting over the stomach but the side port is at the gastroesophageal junction . Advancement by approximately 5 cm should be considered . Femoral Swan - Ganz catheter unchanged in position with its tip likely in the pulmonary outflow tract . An intra-aortic balloon pump remains in place with the tip approximately 2 .5 cm below the top of the aortic knob . Heart remains mildly enlarged . There has been interval improvement in the parenchymal airspace opacities suggestive of resolving edema . No pneumothorax is appreciated , although the sensitivity to detect pneumothorax is diminished given supine technique .