Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable supine frontal chest radiograph demonstrates interval repositioning of the Swan - Ganz catheter , which now likely terminates at the proximal right pulmonary artery . Sternal wires , a nasogastric tube which extends below the diaphragm and off the inferior edge of the image , ___ mediastinal drains , and epicardial pacing leads are all unchanged in position . The cardiomediastinal silhouette remains normal . The lungs are clear , without focal consolidation or large pleural effusion or pneumothorax .
    OUTPUT:
    
Interval repositioning of the Swan - Ganz catheter , with the tip overlying the proximal right pulmonary artery .