FAS and neoplasm: Tumor regression;[95, 109] selectively killed tumor cells with high efficacy;[12a] expressing fas ligand;[111b] selectively targeted metastases;[111d] decreased tumor angiogenesis;[116] decreased the lung metastases;[112b] suppressed tumor growth via the proinflammatory cytokine interleukin‐1β;[114a] activated intratumoral M1 macrophages and reduced M2 macrophages;[115] secreted ClyA into the TME.[12c]