Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The radiograph timed stamped ___ hr shows the Swan - Ganz catheter in the distal right pulmonary artery . The radiograph labeled ' AP semi-erect ' shows that the Swan - Ganz catheter tip is roughly 2 cm more proximal within the right pulmonary artery . A left pectoral AICD is in place . Moderate pulmonary edema has slightly improved . Moderate cardiomegaly despite the projection is stable . There is no pneumothorax .
    OUTPUT:
    
Swan - Ganz catheter tip position described above . Improved moderate pulmonary edema . Stable moderate cardiomegaly .