AFP and hepatocellular carcinoma: The following parameters significantly differed between the HBV-HCC and HCV-HCC groups (differences shown as HBV-HCC vs. HCV-HCC): age, number of tumors (median 1, range 1–3 vs. median 2, range 1–4), size of largest tumor (median 4 cm, range 2.5–7.0 cm vs. median 3.3 cm, range 2.5–5.0 cm) and preoperative AFP level (median 142.66 ng/ml, range 14.45–1,000 ng/ml vs. median 55.78 ng/ml, range 11.95–590.15 ng/ml).