Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi erect frontal chest radiograph demonstrates interval removal of Swan - Ganz catheter with persistent right internal jugular sheath in place . Stable moderate cardiomegaly and unchanged mediastinal and hilar contours . Improved aeration of the right lower lobe . No new focal consolidation identified . No pneumothorax .
    OUTPUT:
    
Interval removal of Swan - Ganz catheter . Stable cardiomediastinal silhouette with improved right lower lobe aeration .