Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Swan - Ganz catheter deeper in the right lower lobe pulmonary arterial trunk compared to the radiograph performed 1 day ago . The heart remains markedly enlarged . Mediastinal contours are stable . There is pulmonary vascular congestion but no overt pulmonary edema . The costophrenic angles are not included . There is no pneumothorax .
    OUTPUT:
    
The Swan - Ganz catheter is in the lower lobe trunk of the right pulmonary . Retraction is recommended .