Objective: To observe the pathological and molecular changes of the primary liver carcinoma after chemoembolization. Methods: From June 1992 to December 1997,hepatectomy had been performed in 117 patients whom were treated with TACE before operation.Pathological study,PCNA and p53 assessment of these specimens had been done. Results:Only 5% cases displayed a complete tumor cell necrosis, 73% cases displayed a necrosis in more than of half of tumor cells.High labeling index of PCNA appeared in 64 9% and ...