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Authors Margonis GA, Gani F, Buettner S, Amini N, Sasaki K, Andreatos N, Ethun CG, Poultsides G, Tran T, Idrees K, Isom CA, Fields RC, Krasnick B, Weber SM, Salem A, Martin RC, Scoggins C, Shen P, Mogal HD, Schmidt C, Beal E, Hatzaras I, Shenoy R, Maithel SK, Pawlik TM
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Journal HPB (Oxford)
Publish Date 2016 Aug 12
PubMed ID 27527802

Gallbladder cancer is a relatively rare malignancy. The current study aimed to define the incidence and patterns of recurrence following gallbladder cancer resection.Using a multi-institutional cohort we identified 217 patient undergoing curative intent surgery for gallbladder cancer. Patterns of recurrence were classified as locoregional and distant recurrence.At last follow-up, 76 patients (35.0%) had experienced a recurrence (locoregional only, n = 12, 15.8%; distant only, n = 50, 65.8%; locoregional and distant, n = 14, 18.4%). Median time to recurrence was 9.5 months (IQR 4.7-17.6) and was not associated with recurrence site (all p > 0.05). On multivariable analysis, T3 disease (HR = 8.44, p = 0.014), lymphovascular invasion (HR = 4.24, p < 0.001) and residual disease (HR = 2.04, p = 0.042) were associated with an increased risk of recurrence. Patients who recurred demonstrated a worse 1-, 3- and 5-year OS (1-year OS: 91.3% vs. 68.6%, p = 0.001, 3-year OS: 79.3% vs. 28.7%, p < 0.001, and 5-year OS: 75.9% vs. 16.0%, p < 0.001). After adjusting for other risk factors, recurrence was independently associated with a decreased OS (HR = 3.71, p = 0.006). Of note, receipt of adjuvant therapy was associated with improved OS (HR = 0.56, p = 0.027) among those patients who developed a tumor recurrence.Over one-third of patients experienced a recurrence after gallbladder cancer surgery. While chemotherapy did not decrease the rate of recurrence, patients who experienced recurrence after administration of adjuvant treatment faired better than patients who did not receive adjuvant therapy. Copyright © 2016 The Board of Regents of the University of Wisconsin System