Poor accrual

The purpose of this study is to enroll participants who present with an adnexal mass on imaging to develop a non-invasive ovarian cancer assay to distinguish between malignant and benign masses. The study will collect blood, tissue, and health information from these individuals.

Inclusion Criteria:

• Presenting to clinic with adnexal mass suspicious of ovarian, fallopian tube, or peritoneal cancer on imaging
• Must be planning surgical resection or biopsy
• Must be treatment naïve
• Must be 18 years or older
• Able to understand and sign a written informed consent document
• Able to provide 40mL of blood (at least 20mL) for each blood draw

Exclusion Criteria:

• Prior removal of either ovary for any reason
• Currently pregnant
• Blood transfusion within 3 months of study enrollment
• History of bone marrow or organ transplant
• Prior history and treatment for any malignancy, with exception of previously treated non-melanoma skin cancer.
• A medical condition that would place subject at risk as a result of the blood donation, including but not limited to bleeding disorders, chronic infectious disease, emphysema or serious anemia

Female

Individuals who present with an adnexal mass on imaging and meet the eligibility criteria. Up to 300 total participants may be enrolled in the study, or until samples from at least 100 malignant cases have been collected.