Moreover, induction of IL‐6 and LIF by TGFβ has been reported in different types of fibroblasts including CAFs in other cancers (Eickelberg et al, 1999; Albrengues et al, 2014; Shintani et al, 2016; Dufour et al, 2018; Curtis et al, 2019). This evidence concerns the gene LIF and cancer.