Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided pacemaker projects leads into right ventricle and atrium . A Swan - Ganz catheter terminates within the right pulmonary artery , slighlty retracted from the prior study . There is no pneumothorax or focal consolidation .
    OUTPUT:
    
Swan - Ganz catheter terminating within a right pulmonary artery , slighty retracted since the ___ examination .