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Gastric cancer (GC) and liver cirrhosis (LC) have high incidence rates, particularly in Eastern Asia; however, the long-term clinical outcomes or recurrence of GC following endoscopic submucosal dissection (ESD) in patients with comorbid LC remain unclear. The present study aimed to compare the long-term efficacy and safety of ESD in patients with GC, with and without LC. Patients with early GC (EGC) who had underlying LC and underwent endoscopic treatment (LC-EGC group) were enrolled in the present study. In addition, patients with EGC without LC (non-LC-EGC group) were matched at a ratio of 1:3 via propensity score matching. The clinical outcomes and histopathological data of both groups were analyzed. No significant differences were observed in procedure type, complications [intraprocedural bleeding (11.8%) and perforation (0.0%)], en bloc resection rate (94.1%) and complete resection rate (100%) between the two groups. Multivariate Cox regression analysis demonstrated that procedure time was significantly associated with procedure-associated bleeding [adjusted hazard ratio (HR), 1.017; 95% confidence interval (CI), 1.001-1.032; P=0.033]. Furthermore, LC was significantly associated with cancer recurrence (adjusted HR, 5.482; 95% CI, 1.102-27.279; P=0.038). Taken together, the results of the present study suggest that endoscopic resection of EGC in patients with LC is an effective and safe treatment method. However, further studies are required to assess recurrence. [ABSTRACT FROM AUTHOR]