Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new permanent pacemaker is implanted in the left upper chest . A single pacemaker lead terminates in the right ventricle . Chain sutures are in the expected location following right upper lobe wedge resection . Right pleural thickening and right lower lung atelectasis is not appreciably changed . A posterior pleural - based mass seen best on the lateral radiograph has been present since at least ___ . The cardiomediastinal silhouettes and hilar contours are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Interval placement of permanent pacemaker with lead terminating in the right ventricle without evidence of pneumothorax .