Abstract
Liver recurrence after resection is one of the most common types of recurrence and is a risk factor for poor prognosis. The aim of this study was to identify risk factors for initial liver recurrence. Total of 109 patients with resectable pancreatic ductal adenocarcinoma who underwent resection between 2015 and 2022 were included. The influence of clinicopathologic variables on liver recurrence was analyzed to create a novel scoring system to predict liver recurrence. The liver recurrence rate was 24%, with 17% recurrence within one year. Patients with liver recurrence had an extremely poor prognosis within 1 year [MST 12.4 (95% CI 5.7-19.1)]. In multivariate analysis, R-PV, large tumor diameter ≥ 45 mm and venous invasion were independent risk factors for early liver recurrence. When each of these risk factors was scored as 1 point, the 1-year liver recurrence rates by score were 0 (0%), 1 (9%), 2 (30%), and 3 (84%). The risk factors for postoperative early liver recurrence were R-PV, a tumor diameter ≥ 45 mm and pathological venous invasion. Surgery for pancreatic cancer with these factors may require special treatment, such as hepatic arterial injection.
Published Version
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