Background/Aim: The aim of this study was to investigate the relationship between age and long-term survival among patients who underwent pancreaticoduodenectomy (PD) for pancreatic ductal adenocarcinoma (PDAC). Patients and Methods: A total of 916 patients who underwent PD for curative resection of PDAC were included in this study. Patients were divided into younger (n=726, <70 years) and older (n=190, ≥70 years), and the overall survival (OS) between the two groups was compared. Results: Median OS was significantly longer in the younger group (p<0.001). However, the survival advantage among younger patients was not significant when analyzing only patients who received adjuvant chemotherapy (p=0.548). Among patients who did not receive adjuvant chemotherapy, OS was significantly longer in the younger group (p=0.003). Among patients who received neither adjuvant chemotherapy nor treatment for recurrence, survival was not significantly different between the groups (p=0.629). Conclusion: Adjuvant chemotherapy should be recommended, and additional treatment for recurrence is effective even among elderly who have not received adjuvant chemotherapy.
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