Results
Surgery was performed for 27 patients (57.4%), and R0 resection was confirmed in 25 patients (53.2%). Pathologic complete response was confirmed in four patients (8.5%). The median follow-up time for the surviving patients was 44.8 months (range, 3.4–74.6 months). The median OS for all the patients was 41.9 months (95% confidence interval [CI], 18.6–65.3 months), with a median PFS of 38.7 months (95% CI, 23.5–53.9 months). The 3-year survival rate for all the patients was 54.4%. The 3-year survival rate for the R0 patients was 65.4%.