Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The intra-aortic balloon pump projects 6 .6 cm from the top of the aortic arch . A right transjugular Swan - Ganz catheter tip extends to the proximal right main pulmonary artery . Unchanged size of the cardiac silhouette and diffuse bilateral airspace opacities consistent with pulmonary edema . No pneumothorax or definitive pleural effusion identified .
    OUTPUT:
    
The intra aortic balloon pump projects 6 .6 cm from the top of the aortic arch , not significantly changed from prior . Persisting pulmonary edema .