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Correlation between METTL14, Siah2, and PD-L1 in clinical CCA specimens. (A, B), Western blot analysis detected METTL14, Siah2, and PD-L1 protein levels in clinical CCA tumor samples. (B), CT imaging of SD#1-CCA Patient and PD#3-CCA Patient. (C), Siah2 and PD-L1 expression in the tumor area of CCA tissues detected by IHC. Magnification X 200. PD, progressive disease; SD, stable disease.
