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(A) The expression levels of STAT3 in ICC and relevant lymph nodes were detected by Immunohistochemical test (n = 15). Representative image is illustrated. (B) The STAT3 expressions were detected by real-time PCR 2 days after over expression or inhibition of it in RBE and HUCCT1 cells, respectively. **P < 0.01, ***P < 0.001, compared with negative control group.
