CCL15 and liver cancer: The results of MR analysis showed that significant causal association between CCL15 [OR (95%CI), 0.848 (0.730–0.985), p = 0.03] and CCL23 [OR (95%CI), 1.306 (1.020–1.673), p = 0.03] and malignant neoplasm of liver (finn-b-C3_LIVER_INTRAHEPATIC_BILE_DUCTS) (Figure 2).