Clinicopathologic Features of Long-Term Survivors and Disease-Free Survivors After Resection of Hepatocellular Carcinoma: A Study of a Prospective Cohort

Author:

Poon Ronnie Tung-Ping1,Ng Irene Oi-Lin1,Fan Sheung-Tat1,Lai Edward Cheuk-Sin1,Lo Chung-Mau1,Liu Chi-Leung1,Wong John1

Affiliation:

1. From the Center for Study of Liver Disease, Departments of Surgery and Pathology, University of Hong Kong Medical Center, Queen Mary Hospital, Hong Kong, China.

Abstract

PURPOSE: This study aims to clarify the clinicopathologic features of long-term survivors and disease-free survivors after resection of hepatocellular carcinoma (HCC). PATIENTS AND METHODS: The clinicopathologic features of 5-year survivors and disease-free survivors were elucidated in a cohort of 230 patients prospectively observed for > 5 years (64 to 192 months) after curative resection of HCC. RESULTS: The incidence of 5-year overall and disease-free survivors were 37% (85 of 230) and 20% (45 of 230), respectively. Clinicopathologic features associated with 5-year survivors included female sex (P = .024), preoperative serum albumin ≥ 40 g/L (P = .033), AST < 50 u/L (P = .001), tumor < 5 cm (P = .001), solitary tumor (P = .035), encapsulated tumor (P = .021), no venous invasion (P = .001), no microsatellite nodule (P = .001), and early pathologic tumor-node-metastasis (pTNM) stage (I or II, P < .001). Features favoring 5-year disease-free survivors were preoperative serum AST < 50 u/L (P = .007), tumor < 5 cm (P = .005), encapsulated tumor (P = .007), no venous invasion (P < .001), no microsatellite nodule (P = .001), and early pTNM stage (I or II, P < .001). By multivariate analysis, pTNM stage was the only significant predictive factor for both overall and disease-free survival. CONCLUSION: This study shows that long-term disease-free survival > 5 years after resection of HCC can be achieved in patients with favorable tumor characteristics. Early pTNM stage was the most reliable predictor of both long-term overall and disease-free survivors.

Publisher

American Society of Clinical Oncology (ASCO)

Subject

Cancer Research,Oncology

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