Background: To study lymph node metastasis (LNM) and prognosis in patients with operable hepatocellular carcinoma (HCC) as well as the value of routine complete lymphadenectomy. Few studies have been reported on LNM in patients with operable HCC.
Methods: Lymph node enlargement of 968 patients with operable HCC was carefully explored and LNM was diagnosed by typical intraoperative findings or pathology.
Results: Forty-nine (5.1%) patients had LNM, which was associated with advanced tumor properties. The 1-, 3-, and 5-year overall survival in patients with LNM was poorer than those without LNM (62.0%, 31.0%, and 26.0% vs. 81.0%, 62.0%, and 47.0%, P = 0.000). The 1-, 3-, and 5-year overall survival in patients who received complete lymphadenectomy (n = 26) was poorer than those without LNM (68.0%, 31.0%, and 31.0% vs. 81.0%, 62.0%, and 47.0%, P = 0.017), and was not better than patients who received chemotherapy or radiotherapy (P = 0.944).
Conclusion: The incidence of LNM in operable HCC patients was low, and patients with LNM had a poorer prognosis. LNM status determined the disease-free survival but not the overall survival of HCC. The complete lymphadenectomy did not improve overall survival, as compared with chemotherapy or radiotherapy.
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