Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left pectoral defibrillator device has a single lead ending in the right ventricle . Compared to the most recent chest radiograph of ___ , there has been little change . There are low lung volumes and bilateral linear opacities most likely represent atelectasis . There is no focal consolidation , pleural effusion or pneumothorax . The cardiac and mediastinal contours are stable . Clips are noted in the left upper quadrant of the abdomen . Multilevel moderate degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
No new focal opacity concerning for pneumonia .