AFP and neoplasm: The results demonstrated that the two groups were not significantly different regarding age (P = 0.397), sex (P = 0.624), BMI (P = 0.118), AFP (P = 0.09), tumor size (P = 0.176), cirrhosis (P = 0.384), fatty liver (P = 0.162), preoperative antiviral treatment (P = 0.934), HBV DNA (P = 0.646) and operation type (P = 0.054) (Table 1).