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Radiotherapy of postoperative residual tumor of bile duct carcinoma.

The case of a patient with bile duct carcinoma who had a postoperative residual tumor treated with high-dose-rate intraluminal brachytherapy (HDRIBT) following external radiotherapy is presented. Following radiotherapy, he has been alive and well without signs of recurrence for two years and eleven months as of this writing. HDRIBT following external irradiation is recommended for the treatment of postoperative small residual tumors of the bile duct.