<qa>  What is the name of the group that can be celecoxib or placebo?2590 women with primary breast cancer will be recruited in this study from several locations in the United Kingdom and Germany. Eligible patients will be randomly allocated a treatment group, which can be celecoxib or placebo. Both treatments are taken orally celecoxib 400mg daily, placebo 2 tablets daily for a total of 2 years. In addition, hormone receptor positive patients will receive endocrine treatment as per local practice. Patients will prematurely discontinue treatment with celecoxibplacebo if disease progression is confirmed or if patients experience unacceptable toxicity. 