8Liver Cancer Study Group of Japan. Primary liver cancer in Japan. Clinicopathologic features and results of surgical treatment[J]. Ann Surg, 1990, 211(3): 277-287.
9Xiaohong S, Huikai L, Feng W, et al. Clinical significance of lymph node metastasis in patients undergoing partial hepatectomy for hepatocellular carcinoma [J]. World J Surg, 2010, 34(5):1028-1033.
10Sun HC, Zhuang PY, Qin LX, et al. Incidence and prognostic values of lymph node metastasis in operable hepatocellular carcinoma and evaluation of routine complete lymphadenectomy[J]. J Surg Oncol, 2007, 96(1):37-45.
