ITGAX and neoplasm: The activation of CD11c+ cells serves as a critical indicator of innate immune activation within the tumor following RT.[14] Additionally, the Lymphocyte antigen 6 complex+ (Ly6C+) phenotype was used to characterize monocyte expression, including macrophages.[14] Consistent with the DC findings, Ly6C+ monocytes also showed significant enhancement in response to ML323 (Figure 1C‐4/5; and Figure S4B, Supporting Information).