The study intends to investigate the personal experiences of endometrial cancer patients who take part in a separate clinical study including a specific medication intervention. The major focus will be on closely following individuals' rates of trial completion and withdrawal.

The data collected from this study will help improve future outcomes for all endometrial cancer patients as well as those in under-represented demographic groups.

Inclusion Criteria:

• Patients diagnosed with endometrial cancer
• Aged ≥ 18 years old and ability to provide written informed consent obtained prior to participation in the study and any related procedures being performed
• Subjects willing and able to comply with the protocol for the duration of the study including undergoing treatment and scheduled visits and examination.

Exclusion Criteria:

• Refusal of consent
• Women of childbearing potential without a negative pregnancy test; or women who are lactating.
• Any serious and/or unstable pre-existing medical disorders

Patients with endometrial cancer who are actively considering enrolling in an interventional clinical trial for said condition, but have not yet completed enrollment and randomization phases.