ABSTRACT Endometrial carcinoma (EC) is a malignancy of the deepest epithelial cells layer of the uterine. Failure of DNA repair system such as mismatch repair (MMR) is a predisposing factor of EC. The MutS homolog 3 (MSH3) gene is one of the MMR genes that will correct microsatellite instability (MSI) which is reported in EC. The aim of this study is to investigate the expression of MSH3 gen…