Age

18–any

Sex

FEMALE

Healthy volunteers

Not accepted

Written informed consent.
Age older than 18 years.
Germline BRCA1/2 mutation.
Histologically confirmed ovarian cancer treated with platinum-based chemotherapy and/or PARP inhibitors.
Histologically confirmed breast cancer occurred during or after therapy with platinum-based agents and/or PARP-inhibitors for ovarian cancer.
Availability of FFPE breast and ovarian tumor samples.

Breast Cancer After Ovarian Cancer During and/or After Therapy: Genomic Evaluation