4Jemal A, Siegel R, Ward E, et al. Cancer statistics 2009[J]. CA Cancer J Clin, 2009,59(4) :225-249.
5Lee N K, Cheung M K, Shin J Y, et al. Prognostic factors for uterine cancer in reproductive-aged women[J]. Obstet Gynecol,2007,109(3) :655 -662.
6Ota T, Yoshida M, Kimura M, et al. Clinicopathologic study of uterine endometrial carcinoma in young women aged 40 years and younger[J].Int J GyneeolCancer,2005,15(4):657- 662.
7Ushijima K, Yahata H, Yoshikawa H, et al. Multicenter phase lI study of fertility sparing treatment with medroxyprogesterone acetate for endometrial carcinoma and atypical hyperplasia in young women[J]. J Clin Oncol, 2007,25 (19) : 2798-2803.
8Hahn H S,Yoon S G, Hong J S, et aI. Conservative treatment with progestin and pregnancy outcomes in endometrial cancer [J]. Int J GynecolCancer,2009,19(6): 1068-1073.
9Ramirez P T, Frumovitz M, Bodurka D C, et al. Hormonal therapy for the management of grade 1 endometrial adenocarcinoma: a litera ture review[J]. Gyneeol Oncol, 2004,95 ( 1 ):133- 138.
10Tangiitgamol S, Manusirivithaya S, Hanprasertpong J. Fertili ty-sparing in endometrial cancer [J]. Gynecol Obstet Invest, 2009,67(4):250 -268.