Journal
JAPANESE JOURNAL OF CLINICAL ONCOLOGY
Volume 47, Issue 3, Pages 206-212Publisher
OXFORD UNIV PRESS
DOI: 10.1093/jjco/hyw182
Keywords
cholangiocarcinoma; gallbladder cancer; biliary tract cancer; recurrence
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Background: For recurrent biliary tract cancer, chemotherapy is the standard treatment. However, the efficacy of surgery is unknown. Here, the prognostic benefit of surgery for recurrent biliary tract cancer was investigated. Methods: Data of 206 patients who underwent surgery for biliary tract cancer between 2005 and 2015 were retrospectively analyzed. Of these, 107 recurrent patients were divided into two groups, surgery (n = 14) and non-surgery (n = 93) groups. In the latter group, 45 patients received chemotherapy and 48 received best supportive care. Results: Of the total 121 sites of recurrence, the liver was the most common (n = 41), followed by locoregional recurrence (n = 32) and lymph nodes (n = 18). Surgery was performed in the 14 patients with recurrence, comprising nine patients with intrahepatic cholangiocarcinoma, three with perihilar cholangiocarcinoma, one with distal cholangiocarcinoma and one with gallbladder carcinoma. Survival after recurrence was significantly better after surgery than after chemotherapy or best supportive care (38% vs. 5.3% vs. 0% at 3 years and 19% vs. 5.3% vs. 0% at 5 years; P < 0.0001). Multivariate analysis identified the residual status of the primary tumor ( hazard ratio = 1.58, 95% confidence interval = 1.00-2.44; P = 0.047), time to recurrence >= 1 year ( hazard ratio = 0.62, 95% confidence interval = 0.39-0.97; P = 0.037) and surgery for recurrence (hazard ratio = 0.32, 95% confidence interval = 0.14-0.62; P < 0.001) as independent prognostic factors. Conclusions: Surgery for recurrent biliary tract cancer may prolong survival in patients with time to recurrence >= 1 year.
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