CP and neoplasm: There was a significant reduction in average tumor volume of CP-treated groups (130.45 ± 16.50 mm3 for 625 mg/kg CP high-dosage group, 206.54 ± 15.25 mm3 for 300 mg/kg CP low-dosage group) compared with that of the untreated group (498.95 ± 100.06 mm3) of mice bearing HepG2-HBx cells.