AFP and metastatic malignant neoplasm in the lymph nodes: These criteria included: solitary tumor <7.5 cm, ≤4 nodules with the largest lesion ≤6.5 cm or multiple nodules (>4) with the largest lesion ≤3 cm, and a pre-LT serum AFP level ≤1000 ng/ml and a AST level <120 IU/L (3N) without vascular invasion of the major portal vein branches or lymph node metastasis.