ERBB2 and cancer: CA125, p53 protein, folate receptor‐alpha (FRα), human epidermal growth factor receptor‐2 (HER2), and cancer‐testis antigens, like melanoma‐associated antigen A4 (MAGE‐A4) and New York‐esophageal squamous cell carcinoma11 (NY‐ESO‐1) are potential TAA molecules found in OC..95 Cancer Vaccine therapeutic investigation is an actively growing area in OC research.