Biomarkers for Gynecologic Cancer

Inclusion Criteria: Participants in this study will be patients with Primary endometrial and ovarian cancer, benign gynecological diseases (such as uterine fibroids, endometriosis, dysplasia, and benign ovarian tumors), and healthy subjects that meet the following criteria: * Age \> 20 years (no data is currently available on use of AminoIndexTM in patients under 20 years of age or over 80 years of age) * Willing to follow fasting and clinic visit requirements * Ability to understand and consent to participate in study. Women of all races and ethnic groups are eligible for this trial. Exclusion Criteria: Women will be excluded from study participation for the following reasons: * An inability to fast (no food or drink other than water) for 8 hours prior to the pre-surgery sample collection. * Are known to be positive for HIV/HCV/HBV * Pregnancy or breastfeeding (Pregnant and breastfeeding women are excluded from this study because amino acid levels are known to differ in pregnancy). * Currently receiving investigational agents. * History of any drug therapy or surgery for treatment of gynecological cancer * Unable to come for the blood sample collection between 6:00 AM and 12:00 Noon * Currently undergoing dialysis * Congenital metabolic disease * The investigator considers individual to be ineligible based on prior medical history, histology or other findings