HLA-DRA and neoplasm: Neutrophils of cluster 3 (Neu_C3_VEGFA, CD74+/HLA‐DRA+) displayed a mixed phenotype with angiogenesis, lipid metabolism‐related, and antigen‐presentation characteristics and they enriched in both the leading‐edge and tumor‐core region (Figure S5B–D, Supporting Information; Figure 4H).