Ephrin type-A receptor 2 (EphA2) is a type I transmembrane glycoprotein highly expressed in a wide range of tumors such as bladder, pancreatic, esophageal, colorectal, or non-small-cell lung cancer, among others. Furthermore, in most normal tissues, EphA2 is found at low levels and plays a relevant role in carcinogenesis control and tumor progression modulation.