IL25 and gastric cancer: To determine the potential role of tumor-infiltrating IL-25+ cells in the progression of GC, 106 patients who had undergone radical resection for GC were divided into high and low IL-25-expressing groups: each group was defined according to the median values of IL-25+ cells in the IT (IL-25+IT, 143 cells/mm2) and NT (IL-25+NT, 39 cells/mm2) regions in GC tissue.