Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Compared to prior study from a day ago , there is less pulmonary vascular congestion . Heart size is still moderately enlarged . There is no pleural effusion . Swan - Ganz catheter is seen terminating in the right pulmonary artery .
    OUTPUT:
    
1 . Slight improvement in pulmonary edema . 2 . Swan - Ganz catheter in appropriate position .