Importantly, up‐regulation of CXCR2 had been reported to promote ovarian cancer progression and the high expression of CXCR2 was closely related with lower progression‐free survival and post‐progression survival, indicating the importance of CXCR2 in affecting ovarian cancer recurrence and metastasis.23, 25. The gene discussed is CXCR2; the disease is ovarian carcinoma.