BRCA1 and neoplasm: No occult tumours were found in the remaining women (one BRCA1 and BRCA2, six BRCA2 and 25 women with non-informative test results, respectively) who underwent a bilateral salpingo-oophorectomy, nor in the group of 38 women (26 BRCA1, three BRCA2, nine women with non-informative test results), who received a bilateral oophorectomy.