A high ratio of IL-12Rβ2-positive tumor-infiltrating lymphocytes indicates favorable prognosis in laryngeal cancer

An estimated 13,430 newly diagnosed laryngeal cancer (LC) cases and 3620 deaths were in the U.S in 2016 [1], while the National Central Cancer Registry of China Report showed that about 26,400 new LC cases and 14,500 cancer deaths occurred in China in 2015, with increasing incidence and mortality in recent years [2]. In LC, tumor-infiltrating lymphocytes (TILs) are frequently found [3], and various laryngeal TILs and cytokines integrate with the immune system to either kill or promote tumors and thereby have roles in the elimination, equilibrium, and escape phases of cancer immunoediting and tumor progression [4,5].

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