As an oncogene, Ets1 acts in colorectal cancer, breast cancer, and hepatocellular carcinoma by targeting A variety of microRNAs (such as miR‐125p and miR‐139‐5p), providing evidence that Ets1 is important in tumorigenesis.19, 55, 56, 57, 58. Here, ETS1 is linked to breast cancer.