PGR and neoplasm: In the meantime, progesterone receptors status (OR = 5.21, 95%CI: 1.64-16.55, p = 0.005), maximum tumor diameter (OR = 0.13, 95%CI: 0.05-0.38, p < 0.001), and NRL (OR = 0.22, 95%CI: 0.12-0.42, p < 0.001) were all independent predictors of response (Table 3).