Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study , there has been an interval linx procedure with a metallic ring at the gastroesophageal junction . However the lungs are clear and there is no pleural effusion or pneumothorax . Cardiomediastinal contours are normal .
    OUTPUT:
    
Linx device at the gastroesophageal junction . No acute cardiopulmonary process .