Biomarkers in Blood and Tissue Samples From Patients With Uterine Cancer

Inclusion Criteria: * Women with uterine papillary serous carcinoma (UPSC) who were eligible for GOG-0210 protocol, a molecular staging study in endometrial cancer, or GOG-0136, a general specimen banking study for gynecologic cancer, have consented to future research, have histologically-confirmed UPSC of any stage, and have satisfactory formalin-fixed and paraffin-embedded primary tumor with or without a satisfactory pre-operative serum specimen available for testing * Women with endometrioid endometrial cancer who were eligible for GOG-0210 or GOG-0136, have consented to future research, have histologically-confirmed endometrioid endometrial carcinoma with a similar stage, age and race/ethnicity distribution as the UPSC patients, have satisfactory formalin-fixed and paraffin-embedded primary tumor and/or pre-operative serum specimen available for testing * Normal healthy control women who participated in the Biopathology protocol for banking sera from normal healthy control women, have consented to future research, do not have a cancer or a history of cancer and have a similar age and race/ethnicity distribution as the UPSC patients and have satisfactory serum available for testing