Further immunostaining revealed many CD163‐positive tumor‐associated macrophages (TAMs) (Fig 3a), CD15, myeloperoxidase (MPO)‐positive tumor‐associated neutrophils (TANs) (Fig 3b), and CD3, CD25‐positive regulatory T cells (Tregs) in the tumor (Fig 3c). This evidence concerns the gene CD163 and neoplasm.