Regarding low- and high-grade endometrial tumors’ regional draining nodes, the former showed lower S100A8/A9 (2.273 ± 2.947 vs. 10.154 ± 6.543, p = 0.0001) and CD163 (5.136 ± 6.198 vs. 9.077 ± 8.46, p = 0.0505) values. Here, S100A8 is linked to endometrium neoplasm.