This single arm study will evaluate the safety profile of Xeloda as monotherapy for adjuvant treatment of colon cancer. All patients will receive Xeloda 1250mg/m2 p.o. twice daily as intermittent treatment (3 week cycles consisting of 2 weeks of treatment followed by 1 week without treatment). The anticipated time on study treatment is 3-12 months, and the target sample size is 500+ individuals.