Most of ICD genes were overexpressed in HNSCC, including CALR, ENTPD1, NT5E, HMGB1, HSP90AA1, ATG5, BAX, CASP8, PDIA3, PIK3CA, CXCR3, IFNA1, IFNB1, IL10, TNF, CASP1, IL1B, P2RX7, LY96, MYD88, CD4, FOXP3, IFNG, IFNGR1, IL17RA, and PRF1 (Figure 1B). Here, IFNGR1 is linked to head and neck squamous cell carcinoma.