Clinical Research Directory

Inclusion Criteria: * Female patients in the gynecological ward for surgical treatment. * Initial diagnosis of "pelvic mass" or "malignant ascites" may be considered as ovarian cancer; Or the initial diagnosis of "ovarian cyst", "hydrosalpinx", "uterine fibroids" or "uterine adenomyosis" are considered as gynecological non-malignant diseases. * Over 18 years of age. * Voluntary participation and signing of informed consent. Exclusion Criteria: * Study participants with a prior history of malignant tumors. * Study participants with prior chronic kidney disease or renal insufficiency. * Study participants who have received or are receiving treatment for primary disease. * Study participants whose pathological diagnosis was not clear. Any patient should be excluded from the study if: * Study participants withdraw informed consent and request withdrawal. * Study participants were unable to provide a qualified urine sample. * There are situations in which the researcher considers it necessary to withdraw from the study.