ISG15 and neoplasm: The other group comprises macrophage subgroups, including Mφ-STMN1, Mφ-ISG15, tissue-resident macrophages (RTM-LMNA, RTM-MARCO), tumor-associated macrophages (TAM-MMP12, TAM-SPP1, TAM-CXCL10, TAM-HLA-DQA1), and myeloid-derived suppressor cell-like cells (MDSClike-IL10).