Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the balloon pump overlies the inferior edge of the aortic arch , slightly high . A right IJ Swan - Ganz catheter is present , tip over proximal right pulmonary artery . Heart size is unchanged . The vascular congestion and moderate pulmonary edema appears slightly worse in comparison to the prior exam . There is probable trace fluid at the right cardiophrenic angle . The extreme left costophrenic angle is excluded from the film . No gross effusion is seen on either side .
    OUTPUT:
    
1 . Aortic balloon pump overlying the inferior edge of the aortic arch , slightly high . Clinical correlation regarding possible retraction into the descending aorta is requested . 2 . Vascular congestion and moderate pulmonary edema , which appears slightly worse compared to earlier the same day .