A Randomized Controlled Study of Postoperative Adjuvant Chemotherapy of Uracil- Tegafur (UFT) Compared With Surgery Alone (NSAS-CC).

Interventions: investigational material(s) Generic name etc : UFT(tegafur + uracil) INN of investigational material : UFT:tegafur, uracil Therapeutic category code : 422 Antimetabolic agents Dosage and Administration for Investigational material : oral uracil-tegafur 400 mg square meter for one year Primary outcome(s): Efficacy and safety Study Design: Randomized, comparative study