Neutrophil to lymphocyte ratio in the pre-treatment phase of final-line chemotherapy predicts the outcome of patients with recurrent ovarian cancer

Keiichiro Nakamura, Takeshi Nagasaka, Takeshi Nishida, Tomoko Haruma, Chikako Ogawa, Tomoyuki Kusumoto, Noriko Seki, Yuji Hiramatsu