Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , the PA catheter still positioned peripherally in the right descending pulmonary artery , and should be withdrawn approximately 5 cm for standard placement . A right PICC line terminates in the mid to low SVC . There is no change in a small right and a moderate left pleural effusion . There is mild vascular congestion , and possible edema in the left lower lobe versus atelectasis . Cardiomegaly is stable . Median sternotomy wires are stable in position .
    OUTPUT:
    
Swan - Ganz catheter should be withdrawn 5 cm for standard positioning .