IFNB1 and colorectal carcinoma: IFNβ was detected in CD4+ T-cell clusters 3 and 4 from HNSC tissues (Fig. 7C–E) and in clusters 3, 4 and 5 in CRC tissues (Fig. 7H, J–M, Supplementary Fig. 10D), all of which coexpressed the proliferation marker Ki67.