子宫内膜癌是常见的妇癌,仅次于子宫颈癌而居第二位。本病好发于老年妇女,75％发生在50岁以后,40岁以前发病者仅占4％。发病年龄约比宫颈癌迟8年。近来该病发生率在上升,而宫颈浸润癌的发生率相反下降。Krokfors计算二者之比,1920年以前宫颈癌:宫内膜 Endometrial cancer is a common gynecological cancer, second only to cervical cancer. The disease occurs in older women, 75% occur after the age of 50, and only 40 percent of the cases before the age of 40. The onset age is about 8 years later than that of cervical cancer. The incidence of the disease has risen recently, while the incidence of cervical invasive cancer has decreased in the opposite direction. Krokfors calculates the ratio between the two, cervical cancer before 1920: endometrium