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Currently used treatment algorithms were originally established based on the clinical outcomes of the initial treatment for primary hepatocellular carcinoma (HCC), and no strong evidence exists yet to suggest if these algorithms could also be applicable to patients with recurrent HCC after surgery. As such, this study sought to explore an optimal risk stratification method for cases of recurrent HCC for better clinical management. Among the 1616 patients who underwent curative resection for HCC, the clinical features and survival outcomes of 983 patients who developed recurrence were examined in detail. Multivariate analysis confirmed that both the disease-free interval (DFI) from the previous surgery and tumor stage at recurrence were significant prognostic factors. However, the prognostic impact of DFI seemed different according to the tumor stages at recurrence. While curative-intent treatment showed strong influence on survival [hazard ratio (HR), 0.61; P < 0.001] regardless of the DFI in patients with stage 0 or stage A disease at recurrence, early recurrence (< 6 months) was a poor prognostic marker in patients with stage B disease. The prognosis of patients with stage C disease was exclusively influenced by the tumor distribution or choice of treatment than by the DFI. The DFI complementarily predicts the oncological behavior of recurrent HCC, with its predictive value differing depending on the tumor stage at recurrence. These factors should be considered for selection of the optimal treatment in patients with recurrent HCC after curative-intent surgery. © 2023. Society of Surgical Oncology.

Citation

Junichi Shindoh, Masaru Matsumura, Masahiro Kobayashi, Miho Akabane, Satoshi Okubo, Masaji Hashimoto. Disease-Free Interval and Tumor Stage Complementarily Predict the Biological Behavior of Recurrent Hepatocellular Carcinoma. Annals of surgical oncology. 2023 Jun;30(6):3402-3410

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PMID: 36808590

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