
Keywords: HE، Hematoxylin و Eosin; IL-10, interleukin-10; TGF-β, transforming growth factor β; OSCC, oral squamous cell carcinoma; CTLs, cytotoxic T lymphocytes; APCs, WHO, World Health Organization; UICC, Union for International Cancer Control; HE, hematoxylin and eosin; IRS, immunoreacti