AFP and neoplasm: Log‐rank tests also revealed that K19 expression, serum CYFRA 21‐1 (≥2.7 ng/mL), high preoperative alpha‐fetoprotein (AFP) level (>20 ng/mL), tumor size (≥5 cm), the presence of multiple tumors, poor tumor differentiation, and microvascular invasion were associated with reduced OS rates (Table S3).