borderline significantP = 0.092
Moreover, IHC analysis revealed a borderline significant difference in the proportion of myeloid CD33 + cells in the tumor subgroups (Fisher's exact test; P = 0.092; Fig. 4B ), with the ECM3 + /IFN − subgroup comprising the lowest fraction of HGBCs classified in the CD33 low category, as well as the highest fraction of samples that did not express activation markers (such as PD‐1; Fig. 4C ).