What Are My Odds Of Developing Cancer?
Print PageOnly 1% of simple hyperplasia cases develop into cancer. Only 3% of complex hyperplasia cases develop into cancer. Only 8% to 10% of simple atypical hyperplasia cases develop into cancer. Unfortunately, 29% to 30% of complex atypical hyperplasia cases develop into cancer. Ninety percent of uterine cancers start in the endometrial lining. White women are more prone to endometrial cancer. Less than 10% of uterine cancers start in the muscle layer (myometrium), which is called uterine sarcoma. Black women are more prone to uterine sarcoma. Three percent of women will develop endometrial cancer. Seventy-five percent of women who develop uterine cancer are postmenopausal, usually around 60 years of age. Women under 40 who develop hyperplasia tend to have PCOS, or they are infertile because they do not ovulate, or they are chronically obese.