Prospective Multicenter Validation Confirms the Prognostic Superiority of the Endometrial Carcinoma Prognostic Index in International Federation of Gynecology and Obstetrics Stage 1 and 2 Endometrial Carcinoma

Abstract
Purpose: To validate the prognostic value of the endometrial carcinoma prognostic index (ECPI; combined myometrium invasion, flow cytometric DNA ploidy, and morphometric mean shortest nuclear axis [MSNA]) versus classic prognosticators.