Background: Pancreatic ductal adenocarcinoma (PDAC) has a high recurrence rate even after curative resection. Lung recurrence may have better outcomes than other recurrences. However, its detailed clinicopathological features are unclear. We investigated the clinicopathological features and risk factors for lung recurrence after pancreatectomy for PDAC.
Methods: The study included 161 patients with potentially and borderline resectable PDAC who had undergone R0 or R1 pancreatectomy between January 2008 and December 2016. We retrospectively examined the prognosis and predictors for lung recurrence after curative resection.
Results: Seventeen patients (10.6%) had isolated lung recurrence. The median overall and recurrence-free survivals were 38.0 and 16.1 months, respectively. In multivariate analysis, para-aortic lymph node (PALN) metastasis (p = 0.006) and female sex (p = 0.027) were independent factors for lung recurrence.
Conclusion: Lung recurrence had a better prognosis than other recurrences. PALN metastasis and female sex are independent risk factors for lung recurrence after curative resection for PDAC.
Keywords: Lung recurrence; Pancreatectomy; Pancreatic ductal adenocarcinoma; Risk factor.
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