TNFRSF11A and neoplasm: RANK expression, assessed by Friedman’s test, was significantly different in all patient groups comparing the tumor front, tumor center and tumor back; NI group (χ2(2) = 7.538, p = 0.023), E group (χ2(2) = 13.923, p = 0.001) and I group (χ2(2) = 14.000, p = 0.001).