Task: Answer Verification
Input (English): Question: Is tNFalpha promoter polymorphism a risk factor for susceptibility in hepatocellular carcinoma in Korean population?
Answer: Our data imply that TNFalpha G-238A and C-857T, not C-863A, polymorphisms may confer different susceptibilities to the development of HCC with TNFalpha -238A and -857T alleles playing as risk factors.
Output (English): yes