Black women (including African-American, African, Afro-Caribbean women) with endometrial cancer and controls will be recruited at MSKCC, SUNY Downstate Medical Center and Montefiore Medical Center hospitals. Controls will be black (including African-American, African, Afro-Caribbean) women without history of cancer, who have intact uteri, and will be identified in gynecology clinics. Controls will also be recruited at the Breast Examination Center of Harlem (BECH), an affiliate of MSKCC, providing high quality screening services to a minority community.