Similar to other carcinoma, in EC various tumor suppressor gene promotors (MLH1, PTEN, p16, APC, MGMT, RASSF1, PR and CDH1) are hypermethylated, whereas oncogene promotors (BMP, CTCFL, PARP1, CASP8) are hypo- or demethylated [51]. Here, PTEN is linked to carcinoma.