MKI67 and serous adenocarcinoma: In a study on Ki-67 scoring by Khun et al., 41 cases had STIC, 35 had HGSC (high-grade serous carcinoma), and 42 cases were in the control group; Ki-67 rates were significant between STIC and the control group, while no significant relationship was found between STIC and HGSC.