Currently, PARP inhibitors have been established as maintenance treatment after primary treatment with platinum-based chemotherapy initially in BRCA1/2 – mutated high-grade serous carcinoma stage III/IV and recently in combination with bevacizumab in homologous-recombination deficient (HRD) HGSC tumors (5, 6). This evidence concerns the gene BRCA1 and serous adenocarcinoma.