Significance of para-aortic lymph node evaluation in patients with FIGO IIIC1 cervical cancer.

This study investigated the effect of para-aortic lymph node sampling or dissection in recently revised International Federation of Gynecology and Obstetrics IIIC1p cervical cancer treated with primary surgery and adjuvant radiation therapy with concurrent chemotherapy. We retrospectively reviewed the records of 343 patients with early-stage cervical cancer and pathologically proven pelvic lymph node metastasis following curative surgery from 2001 to 2014. No patient had imaging evidence of para-aortic lymph node involvement, and all patients received adjuvant concurrent chemotherapy with or without concurrent chemotherapy. We investigated the significance of para-aortic lymph node sampling or dissection on disease-free survival and overall survival. After median follow-up of 58.3 months, 5-year disease-free survival and overall survival in all patients were 69.9 and 80.2%, respectively. Disease-free survival and overall survival did not differ between the para-aortic lymph node dissection group and the No para-aortic lymph node dissection group (P = 0.700 and P = 0.605). However, patients with para-aortic lymph node-positive disease had poorer disease-free survival and overall survival compared with those with para-aortic lymph node-negative disease (P < 0.001 and P < 0.001). This study found no survival benefit of para-aortic lymph node evaluation among patients with International Federation of Gynecology and Obstetrics IIIC1p cervical cancer who were clinically para-aortic lymph node-negative. Although para-aortic lymph node metastasis is a poor prognosticator, the benefit of para-aortic lymph node dissection in terms of survival needs further investigation.

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