Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Y stent is seen in place . The lungs are clear . The cardiomediastinal silhouette and hilar contours are normal . The pleural surfaces are normal without effusion or pneumothorax . Four metallic densities are seen projected over the upper chest and may represent piercings .
    OUTPUT:
    
Y stent in place with no evidence of acute cardiopulmonary process .