ESR1 and breast cancer: Moreover, the AUCs of serum HDL-c plus LDL-c in identifying PR positive BC and ER/PR positive BC were 0.62 (95%CI 0.54–0.69, P < 0.01) (PLR and NLR were 1.63 and 0.71, respectively) and 0.64 (95%CI 0.56–0.72, P < 0.01) (PLR and NLR were 2.01 and 0.65, respectively), respectively.