Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Swan - Ganz catheter terminates within a right pulmonary artery , more advanced in comparison to the ___ examination . The heart size is top normal . The hilar and mediastinal contours are unchanged . There is no pneumothorax , focal consolidation , or pleural effusion .
    OUTPUT:
    
Swan - Ganz catheter terminating within a right pulmonary artery , slightly more advanced since the ___ examination .