Tsuchiya et al., Page 3 Conflict of InterestAll authors have no conflicts of interest.Tsuchiya et al., Page 4 MicroAbstractAs oral chemotherapy might reduce physiological and psychological burdens on patients, we 40 conducted a feasibility study using S-1, an oral fluoropyrimidine, as postoperative chemotherapy in 50 patients with curatively resected stage IB-IIIA non-small cell lung cancer.The completion rate was 72.0% and the 3-year relapse-free survival rate was 69.4%. This protocol seems feasible and may be sufficient to prevent recurrence.

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