ADIPOR2 and breast cancer: Comparison of adipokines and their receptors (AdipoR1, AdipoR2 and Ob-R), COXs, F2-isoprostanes, prostaglandin F2α, α-SMA and aromatase in breast tissues adjacent to the tumor and tumor tissues of breast cancer patients based on a score calculated from the staining intensity and percent of area immunostained tissues.