A Real-World Retrospective Observational Study of Patients with Advanced/Recurrent Endometrial Cancer Across England

Although interpretation is hampered by small sample sizes, this analysis is suggestive of a difference in outcomes between MMR subgroups, underlining the importance of biomarker testing for patients with EC. Historic recording of MMR status was low; consistent testing and improvements in linking EHRs to biomarker data are needed to examine the relationship between outcomes and MMR status.