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Is c-Met oncoprotein expression an adverse prognosticator in extrahepatic bile duct cancer treated with curative resection followed by adjuvant chemoradiotherapy?

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dc.contributor.authorPark, H. J.-
dc.contributor.authorKim, K.-
dc.contributor.authorPaik, J. H.-
dc.contributor.authorChie, E. K.-
dc.contributor.authorKim, S.-
dc.contributor.authorJang, J. -Y.-
dc.contributor.authorKim, S. W.-
dc.contributor.authorHan, S. -W.-
dc.contributor.authorOh, D. -Y.-
dc.contributor.authorIm, S. -A.-
dc.contributor.authorKim, T. -Y.-
dc.contributor.authorBang, Yung-Jue-
dc.contributor.authorHa, S. W.-
dc.date.accessioned2021-01-31T11:07:50Z-
dc.date.available2021-01-31T11:07:50Z-
dc.date.issued2016-06-
dc.identifier.citationClinical and Translational Oncology, Vol.18 No.6, pp.625-631-
dc.identifier.issn1699-048X-
dc.identifier.other48741-
dc.identifier.urihttps://hdl.handle.net/10371/173043-
dc.description.abstractTo analyze the expression of c-Met, and to investigate correlations between the expression of c-Met, clinicopathologic variables, and survival in patients undergoing curative surgery followed by adjuvant chemoradiotherapy for extrahepatic bile duct (EHBD) cancer. Ninety EHBD cancer patients who underwent curative resection followed by adjuvant chemoradiotherapy were enrolled. Expression of c-Met was assessed with immunohistochemical staining on tissue microarray. The correlation between clinicopathologic variables and survival outcomes was evaluated using Kaplan-Meier method and Cox proportional hazard model. On univariate analysis, 66 patients (76.7 %) showed c-Met expression. c-Met expression had a significant impact on 5-year overall survival (OS) (43.0 % in c-Met(+) vs. 25.0 % in c-Met(-), p = 0.0324), but not on loco-regional relapse-free survival or distant metastasis-free survival (DMFS). However, on multivariate analysis incorporating tumor location and nodal involvement, survival difference was not maintained (p = 0.2940). Tumor location was the only independent prognostic factor predicting OS (p = 0.0089). Hilar location tumors, nodal involvement, and poorly differentiated tumors were all identified as independent prognostic factors predicting inferior DMFS (p = 0.0030, 0.0013, and 0.0037, respectively). This study showed that c-Met expression was not associated with survival outcomes in EHBD cancer patients undergoing curative resection followed by adjuvant chemoradiotherapy. Further studies are needed to fully elucidate the prognostic value of c-Met expression in these patients.-
dc.subjectc-Met-
dc.subjectExtrahepatic bile duct cancer-
dc.subjectAdjuvant chemoradiotherapy-
dc.titleIs c-Met oncoprotein expression an adverse prognosticator in extrahepatic bile duct cancer treated with curative resection followed by adjuvant chemoradiotherapy?-
dc.typeArticle-
dc.contributor.AlternativeAuthor방영주-
dc.identifier.doi10.1007/s12094-015-1409-5-
dc.citation.journaltitleClinical and Translational Oncology-
dc.identifier.scopusid2-s2.0-84944691505-
dc.citation.endpage631-
dc.citation.number6-
dc.citation.startpage625-
dc.citation.volume18-
dc.identifier.urlhttps://link.springer.com/content/pdf/10.1007%2Fs12094-015-1409-5.pdf-
dc.identifier.rimsid48741-
dc.identifier.sci000375788300011-
dc.contributor.affiliatedAuthorBang, Yung-Jue-
Appears in Collections:
College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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