 The tumour response will be assessed through careful clinical examination and also with radiological examinations between cycle 4 and 5 and at the end of neoadjuvant part, before surgery. Additionally, tumour biopsy will be performed within 7 days before cycle 5 day 1, after completion of carboplatin and olaparib combination therapy and early pathological response assessed by local pathologist. Curative-intent surgery should be performed following completion of neoadjuvant treatment in all patients, 3 to 5 weeks after day 1 of the last cycle of neoadjuvant treatment. 