Interestingly, analysis of the TCGA data sets revealed MYEOV copy number amplification was increased in subtypes of a number of tumor types, including esophageal squamous cell carcinoma, head and neck squamous cell carcinoma, ovarian serous cystadenocarcinoma, breast cancer, bladder carcinoma and gastric adenocarcinoma (Supplementary Figure S2a). Here, MYEOV is linked to breast cancer.