- Patients who will undergo or have undergone hysterectomy/bilateral salpingo-oophorectomy (BSO) and pelvic lymphadenectomy +/- para-aortic node sampling via open or laparoscopic technique for clinical stage I-II or surgical stage I-III uterine carcinoma, including those receiving postoperative adjuvant therapy; patients enrolling after surgery may have a pathologic stage of I-III OR