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Contralateral pelvic and aortic lymph node metastasis in clinical stage I epithelial ovarian cancer.

Bilateral pelvic and aortic node lymphadenectomy is recommended for clinically localized unilateral epithelial ovarian adenocarcinoma (International Federation of Gynecologists and Obstetricians stage IA). The laterality of nodal metastasis in clinical stage I disease is rarely documented in the literature. Some authors have reported that ipsilateral node dissection is adequate for staging. A patient with contralateral pelvic and aortic lymph node metastasis and clinical stage I epithelial ovarian adenocarcinoma is presented. Pathologic findings were consistent with contralateral-only lymph node metastasis. This case illustrates the importance of bilateral lymph node sampling for appropriate staging of clinically localized epithelial ovarian cancer.