The endometrial tumour tissue used for BRCA1/2 sequencing was donated by women enrolled into other, unrelated, studies at our institute [27] (Proportion of Endometrial Tumours Associated Lynch Syndrome (PETALS) study North West Research Ethics Committee reference 15/NW/0733, Cancer Research UK clinical trial database, ref-13595). This evidence concerns the gene BRCA1 and endometrium neoplasm.