Registry Platform Ovarian and Endometrial Cancer

Inclusion Criteria: * Confirmed high grade OC (advanced or metastatic epithelial ovarian, fallopian tube and primary peritoneal cancer): * patients with FIGO stage IIb-IV OC who are starting systemic treatment or * patients with recurrent/relapsed disease, who received any previous systemic anti-tumor treatment and who are now starting systemic treatment for recurrent/relapsed disease. * Locally advanced and inoperable or metastatic EC (FIGO stage III-IV) who are starting systemic first-line therapy. * Signed and dated informed consent (IC): * Patients participating in PRO module: IC before first therapy cycle * Patients not participating in PRO module: IC no later than six weeks after start of first therapy cycle Exclusion Criteria: * newly diagnosed early-stage OC (FIGO stage I-IIa) * Low grade mOC OR * Early-stage EC (FIGO stage I-II)