Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No focal consolidation , pleural effusion , or pneumothorax . Lines and tubes : IABP tip is more proximal , less than 1cm below the aortic arch . More standard positioning may be achieved by pulling it back at least 1 .5 cm . PA catheter tip position is similar to yesterday .
    OUTPUT:
    
1 . Heart size is top - normal . No pulmonary vascular congestion or pleural effusion . 2 . IABP tip is less than 1cm below the aortic arch . More standard positioning may be achieved by pulling it back at least 1 .5 cm .