TGFB1 and colorectal cancer: Fortunately, calycosin suppresses TGF‐β‐induced epithelial‐to‐mesenchymal transition leading to upregulated expression of BATF2 via the STAT3 pathway by suppressing TGF‐β which controls PCNA expression through the phosphoinositide 3‐kinase pathway in colorectal cancer cells.51