Carbohydrate antigen 19-9 and carcinoembryonic antigen-producing transitional cell carcinoma of the ureter and bladder: a case report.

We report a case of transitional cell carcinoma of the ureter and bladder that produced carbohydrate antigen 19-9 and carcinoembryonic antigen. The serum levels of these antigens were elevated in this patient and an immunohistochemical examination revealed that the carcinoma cells stained positively for both antigens.