子宫内膜癌 ,为女性生殖道常见三大恶性肿瘤之一 ,约占女性癌瘤的 7% ,占女性生殖道恶性肿瘤的 2 0 %～ 30 %。近 2 0年来发病率呈逐年上升趋势。其发病率高低有种族、地区等差异。以北美、北欧地区发病率最高 ,亚洲日本、印度等地区发病率较低[1] 。美国 1995年患子宫内膜癌为 Endometrial cancer is one of the three most common malignant tumors of the female genital tract, accounting for about 7% of female cancers and 20% to 30% of female genital cancers. In the recent 20 years, the incidence has been increasing year by year. The incidence of high and low racial, regional and other differences. In North America, the highest incidence in northern Europe, Asia, Japan, India and other regions with a lower incidence [1]. The United States suffered from endometrial cancer in 1995