CA-125 Antigen / blood, Carcinoma, Ovarian Epithelial*, Early Detection of Cancer*, Longitudinal Studies, Ovarian Neoplasms* / epidemiology, UKCTOCS, Mass Screening, biomarker, Preclinical history of cancer / preclinical detectable phase / natural history of cancer, Early Diagnosis
ovarian cancer, tubo-ovarian high grade serous cancer, UKCTOCS, screening, survival