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Published on: September 12, 2019
Pelvic and paraortic lymph nodal status in advanced ovarian cancer and survival
F Parazzini1, G Valsecchi, G Bolis
1Istituto di Ricerche Farmacologiche "Mario Negri", Università di Milano, Milan, Italy.
Background:
In order to analyze the prognostic role of node involvement in advanced ovarian cancer, we have analyzed data from a randomized clinical trial on advanced ovarian cancer.
Methods:
Cases were 456 women who entered a randomized multicentric clinical trial comparing two cisplatin-based schemes of treatment after cytoreductive surgery for advanced stage III-IV ovarian cancer. They underwent selective pelvic and/or paraortic lymphadenectomy.
Results:
A total of 161 (35.3%) cases had positive nodes. The frequency of positive nodes was statistically significantly higher in FIGO stage IV than in stage III. Also grade 3 tumors were more likely to have positive nodes than grade 1-2 tumors. No association was observed between nodal status and response to chemotherapy. The 3-year survival was 46.2 (standard error (SE) = 3.4 based on 147 deaths) and 44.6 (SE = 4.4, based on 84 deaths), respectively, in negative and positive node groups. The corresponding values, when the analysis was performed considering only subjects with residual tumor <1 cm or absent, after first-line cytoreductive surgery were 66.2 (SE = 5.7) and 62.4 (SE = 9.6).
Conclusions:
We did not find any association between nodal status and survival. Particularly, nodal status was not a prognostic factor for survival in the subgroup of women with residual tumor <1 cm or absent after cytoreductive surgery.
