Comparison of adipokines and their receptors (AdipoR1, AdipoR2 and Ob-R), COXs, aromatase, F2-isoprostanes, prostaglandin F2α, α-SMA and aromatase in breast tissues adjacent to the tumor and tumor tissues of breast cancer patients on the basis of percent of staining area. The gene discussed is ADIPOR2; the disease is breast cancer.