Ovarian clear cell carcinoma: open questions on the management and treatment algorithm.

66 A retrospective series suggested that the excision of more than 10 lymph nodes might correlate with improved prognosis, although the data did not reach statistical significance. 67 Takei et al. reported that the removal of ≥35 lymph nodes was an independent predictive factor for improved DFS in stage I OCCC. 68 Furthermore, the lymph nodal ratio (LNR; positive lymph nodes out of total removed lymph nodes) was also studied as a prognostic factor.

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