EPCAM and ovarian cancer: The epithelial cell adhesion molecule (EpCAM or CD326) is highly expressed in various epithelial tumors, including esophageal, gastric, colorectal, lung, and ovarian cancer, with nearly 100% expression (Eslami, Cortes-Hernandez & Alix-Panabieres, 2020; Hoogstins et al., 2017).