Thus, we asked how CD24 expression is affected in GCT cells after three‐dimensional co‐cultivation with M2 macrophages (differentiated THP‐1 cells; THP‐1‐M2 [31]), T lymphocyte‐like cells (JURKAT), endothelial cells (HUVEC), and fibroblasts (HVHF2). Here, CD24 is linked to granular cell tumor.