Although activation of LXR, ERα, and GR promotes phenomena such as proliferation, cell invasion, and tumor growth, it is important to determine which are the cellular signals that regulate the synthesis of 27-HC, CT, OCDO, and DDA during carcinogenesis, considering the highly complex regulation of cholesterol pathways, as well as their location within the different regions of the tumor. Here, ESR1 is linked to neoplasm.