The role of postoperative radiation therapy (PORT) in the treatment of extrahepatic bile duct cancer: A surveillance, epidemiology, and end results (SEER) population-based investigation
Bile Duct Neoplasms
Bile Ducts, Extrahepatic
Based on analysis of the SEER database, there was no definitive evidence for improved survival with the addition of PORT to radical surgery. This analysis should be approached with caution given its observational and retrospective nature. In addition, it should be remembered that the SEER database lacks information on the use of chemotherapy, radiation technique, and the completeness of resection.