Preoperative and intraoperative assessment of myometrial invasion in endometrial cancer: comparison of magnetic resonance imaging and frozen sections. - Kisu I; Banno K; Lin LY; Ueno A; Abe T; Kouyama K; Okuda S; Masugi Y; Umene K; Nogami Y; Tsuji K; Masuda K; et al. (Acta obstetricia et gynecologica Scandinavica, 2013)