MKI67 and endometrioid adenocarcinoma: The median epithelial Ki-67 scores of G1, G2 and G3 of endometrioid adenocarcinoma were 6.15%, 7.10%, 13.00% (Figure 4b and Figure 5) and of stages IA and IB were 8.30% and 9.15%, respectively (Figure 4a).