TNF and neoplasm: The outcomes of various studies concluded that luteolin influences the factors related to metastasis and progression of tumor as it blocks the expression of matrix metalloproteinases (MMPs), proinflammatory cytokines (TNF‐α, NF‐κB, IL‐1, and IL‐6), and endothelial migration (Fang et al. 2018; Kang et al. 2017; Li, Chen, et al. 2017).