Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The intra-aortic balloon pump is visualized at 6 .6 cm below the transverse area at the level of the left mainstem bronchus . Location is stable when compared to study performed at 10 : 16 am . ETT position is stable and appropriately placed . NG tube is visualized within the stomach ; however , the stomach appears distended . Bilateral hemidiaphragms are visualized ; no subdiaphragmatic masses nor free air appreciated . The trachea is midline and carina is visualized . Cardiac silhouette is mildly enlarged but stable compared to prior study . Pulmonary vascular congestion and pulmonary edema is also noted but appear mildly improved compared to prior study . Bony structures appear normal without fractures nor acute abnormality .
    OUTPUT:
    
The intra-aortic balloon pump is visualized at 6 .6 cm below the transverse area at the level of the left mainstem bronchus . Location is stable when compared to study performed at 10 : 16 am . NG tube is visualized within the stomach ; however , the stomach appears distended . There is interval improvement of the pulmonary vascular congestion and pulmonary edema .