Fig. 1.
Perioperative changes in the positive ratio of patients with alpha-fetoprotein (AFP) mRNA in portal vein blood, peripheral blood, and peritoneal lavage samples. a Percentages of patients in whom AFP mRNA was detected before and after hepatectomy. b Change in the positive ratio of patients with AFP mRNA before and after hepatectomy. The numbers indicate the number of patients (with percentage in parentheses).