KRAS and endometrial carcinoma: No other stratification into subgroups based on the molecular features, including classification defined by TCGA for endometrial carcinoma (POLEmut, MSI-High, p53abn, and NSMP), classification based on the presence of ARID1A, PIK3CA, TERT, TP53 or KRAS mutation, and classification based on expression profiling, showed prognostic significance.