Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph demonstrates unchanged position of right Pleurx catheter with slight interval improvement in right pleural effusion . There is continued bibasilar atelectasis , worse at the right lung base . The lungs are otherwise clear , the heart size is stable , and the mediastinal contours are normal .
    OUTPUT:
    
Stable position of Pleurx catheter with minimal change in right pleural effusion .