Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the radiograph from approximately 1 day prior , there has been no appreciable change in mild pulmonary edema . Small bilateral pleural effusions have developed . The Swan - Ganz catheter remains at the level of the valve , and could be advanced by at least 4 - 5 cm to position its tip in the proximal right pulmonary artery . No other relevant change .
    OUTPUT:
    
Stable mild pulmonary edema . New small bilateral pleural effusions . Swan - ___ catheter tip may be advanced by 4 - 5 cm to position it in the proximal right pulmonary artery .