RecruitingClinical trialMolecular and ctDNA Characterization of High-Risk Endometrial CancerThis study seeks to better understand the recurrence of high-risk endometrial cancer. It will collect information about cancer genetics to find out various hereditary or cancer specific genetic variants that may have a role in diagnosis or management and prognosis of cancer. It also seeks to develop a genetic results and medical record databank for future studies.