CD274 and hepatocellular carcinoma: For example, PD‐L1 expression is inversely related to miR34a in acute myeloid leukemia, miR200b and miR197 in NSCLC, miR513 in biliary epithelial cells, miR570 in hepatocellular carcinoma, and miR138‐5p in colon cancer.19, 20, 21, 22, 23, 24