Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are better aerated compared to the prior radiograph . Clear lungs with no pleural effusion or pneumothorax . Stable cardio megaly . Unchanged position of a left - sided pacemaker with intact pacer wires . Bony thorax is unchanged . Surgical clips project over the upper abdomen . Unchanged severe glenohumeral arthropathy on the right side .
    OUTPUT:
    
Overall improved aeration of the lungs with otherwise stable exam .