Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An intraaortic balloon pump is seen , with its tip terminating approximately 7 mm from the aortic knob . A swans Ganz catheter is seen with is tip terminating in the right main pulmonary artery . Stable moderate cardiomegaly with mild vascular congestion and interstitial edema . Small right pleural effusion , unchanged from prior study .
    OUTPUT:
    
1 . Intra-aortic balloon pump with tip terminating 7 mm from the aortic knob , should be withdrawn couple of cm for more standard position . Swans Ganz catheter with tip terminating in the right main pulmonary artery . 2 . Stable cardiomegaly with mild pulmonary edema . 3 . Stable small right pleural effusion .