IL2 and neoplasm: Additionally, ELISA results showed elevated levels of RFA‐induced anti‐tumor cytokines, including tumor necrosis factor‐α (TNF‐α), interleukin‐2 (IL‐2), interleukin‐12 (IL‐12), and interferon‐γ (IFN‐γ) (Figure 7G–J).