Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from the same day the Swan - Ganz catheter tip has been advanced and now projects in the region of the right pulmonary artery remains in good position . The IABP is approximately 1 .7 Cm from the superior aortic arch . Moderate cardiomegaly and associated small to moderate left pleural effusion is unchanged .
    OUTPUT:
    
Swan - Ganz catheter tip has been advanced and now projects in the region of the right pulmonary artery remains in good position .