Abstract
Purpose
Barcelona Clinic Liver Cancer (BCLC) guidelines designate monofocal hepatocellular carcinoma (HCC) > 2 cm as BCLC A, and large monofocal HCC is defined at > 5 cm. We aimed to evaluate the optimal cutoff value for large monofocal HCC based on prognosis stratification.
Methods
From 2011 to 2018, 3055 patients with newly diagnosed HCC, who were managed in our institution, including 868 patients with monofocal HCC > 2 cm and 330 patients with BCLC B, were enrolled in this retrospective study.
Results
Monofocal HCC > 5 cm patients had worse overall survival (OS) than monofocal HCC 2–5 cm patients (5-year OS: 54% vs. 57%; p = 0.047), confirmed by multivariate analysis (hazard ratio (HR): 1.492, 95% confidence interval (CI): 1.055–2.110; p = 0.024). Monofocal HCC > 5 cm patients had better OS than BCLC B HCC patients (5-year OS: 54% vs. 25%; p < 0.001), confirmed by multivariate analysis (HR: 0.670, 95% CI: 0.481–0.934; p = 0.018). Using 7 cm as the monofocal HCC cutoff value resulted in worse OS than monofocal HCC 2–7 cm (5-year OS: 50% vs. 57%; p = 0.02), confirmed by multivariate analysis (HR: 1.625, 95% CI: 1.039–2.540; p = 0.033). Monofocal HCC > 7 cm patients had better OS than BCLC B patients (p = 0.006). However, no significant difference was identified in the multivariate analysis (HR: 0.726; 95% CI: 0.473–1.115; p = 0.144).
Conclusions
The prognosis of monofocal HCC > 7 cm was similar to that of BCLC B, indicating that 7 cm represents an optimal cutoff value for prognosis stratification in large monofocal HCC.
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Data availability
All data is available.
Change history
16 February 2023
A Correction to this paper has been published: https://doi.org/10.1007/s00423-023-02824-5
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Acknowledgements
The authors thank Cancer Center, Kaohsiung Chang Gung Memorial Hospital for the provision of HCC registry data. The authors thank Chih-Yun Lin and Nien-Tzu Hsu and the Biostatistics Center, Kaohsiung Chang Gung Memorial Hospital for statistics work.
Funding
This study was supported by Grant CMRPG8L0181 from the Chang Gung Memorial Hospital-Kaohsiung Medical Center, Taiwan.
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YHY and CCW involved in study concept and design. All authors involved in acquisition of data. YHY and CCW involved in analysis and interpretation of data. YHY and CCW involved in drafting the manuscript. All authors performed critical revision of the manuscript for an important intellectual content. YHY performed statistical analysis. All authors involved in study supervision. All authors approved the final version of manuscript.
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The Institutional Review Board of Kaohsiung Chang Gung Memorial Hospital approved this study (Reference number: 202000398B0) and waived the need for informed consent.
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Yi-HaoYen and Chih-Chi Wang contributed equally to this work.
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Yen, YH., Li, WF., Kee, KM. et al. Seven centimeters as an optimal cutoff value for prognosis stratification in large monofocal hepatocellular carcinoma. Langenbecks Arch Surg 408, 12 (2023). https://doi.org/10.1007/s00423-023-02753-3
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DOI: https://doi.org/10.1007/s00423-023-02753-3