Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Aortic balloon pump terminates in the descending aorta within one cm of the aortic arch , several cm above standard position . A radiopaque device projects over the course of the IVC and tricuspid valve . If it is in the right ventricle , it is very close to the tricuspid valve . Lung volumes are low and the lungs are clear . There is mild pulmonary vascular engorgement . No pneumothorax or pleural effusion .
    OUTPUT:
    
Aortic balloon pump terminates in the descending aorta within one cm of the aortic arch , several cm above standard position .