PPARG and liver cancer: This process is closely related to the formation of hepatic tumours.76 However, with the deepening of research, people have different definitions about the role of PPARγ in the development of liver cancer.77, 78 Koga79 reported that the expression of PPARγ in liver cancer was very similar to that in surrounding non‐tumorous cirrhotic liver; however, the number of cases was small.